【CF】

961A - Tetris                                                模拟                                                   https://paste.ubuntu.com/p/4hZKGHCkjd/

961B - Lecture Sleep                                   贪心                                                   https://paste.ubuntu.com/p/F4RZ3TBp4r/

961C - Chessboard                                     模拟                                                    https://paste.ubuntu.com/p/zSGY95N4rY/

961D - Pair Of Lines                                    几何                                                   https://paste.ubuntu.com/p/2S824MPk6T/

961E - Tufurama                                         树状数组                                             https://paste.ubuntu.com/p/VtC8YYs9Mn/

959A - Mahmoud and Ehab and the even-odd game           模拟                         https://paste.ubuntu.com/p/5G2P49QdBY/

959B - Mahmoud and Ehab and the message                       并查集                     https://paste.ubuntu.com/p/mm3yPfzytC/

959C - Mahmoud and Ehab and the wrong algorithm          模拟                        https://paste.ubuntu.com/p/NjvYzC2dpP/

959D - Mahmoud and Ehab and another array construction task        STL贪心   https://paste.ubuntu.com/p/NdjfH3fQhG/

959E - Mahmoud and Ehab and the xor-MST              最小生成树找规律             https://paste.ubuntu.com/p/nTDCHGNTMc/

957A - Tritonic Iridescence                        模拟            https://paste.ubuntu.com/p/BMYk5NRWbM/

957B - Mystical Mosaic                              暴力            https://paste.ubuntu.com/p/3ks52ymTM8/

957C - Three-level Laser                            二分            https://paste.ubuntu.com/p/YMmgwWDXyw/

957D - Riverside Curio                               前缀和+思维 https://paste.ubuntu.com/p/t7tK4x4Gy6/

955A - Feed the cat                                    模拟           https://paste.ubuntu.com/p/d5pVVk6rwg/

955B - Not simply beatiful strings             模拟           https://paste.ubuntu.com/p/2RzzcDYPnw/

954A - Diagonal Walking                           简单数学    https://paste.ubuntu.com/p/3wtYzFSgqy/

954B - String Typing                                  模拟           https://paste.ubuntu.com/p/B9cb6mbqCC/

954C - Matrix Walk                                    模拟           https://paste.ubuntu.com/p/mmKYNN3YYJ/

954D - Fight Against Traffic                      最短路变形 https://paste.ubuntu.com/p/R2ZDJJbRz5/

953A - 2-3-numbers                                  预处理二分 https://paste.ubuntu.com/p/xQ7GV6Nkky/

953C - Is This a Zebra?                               模拟           https://paste.ubuntu.com/p/GjSHGVTmzV/

953G - Large Bouquets                              模拟          https://paste.ubuntu.com/p/6tVN3g6n7T/

950A - Left-handers, Right-handers and Ambidexters    模拟   https://paste.ubuntu.com/p/smqHGFZPsS/

950B - Intercepted Message                      模拟         https://paste.ubuntu.com/p/JH5gkQqXRd/

950C - Zebras                                             构造         https://paste.ubuntu.com/p/QdkJCQtYRK/

950D - A Leapfrog in the Array                  数学         https://paste.ubuntu.com/p/Xp2ShxQBJP/

948A - Protect Sheep                                 暴力模拟   https://paste.ubuntu.com/p/m35TGcdxzs/

948B - Primal Sport                                    数论         https://paste.ubuntu.com/p/xBTpT2cwvG/

948C - Producing Snow                             数据结构   https://paste.ubuntu.com/p/ts9j8YD7G7/

948D - Perfect Security                              01字典树  https://paste.ubuntu.com/p/CsDDqGjfD3/

946A - Partition                                          贪心          https://paste.ubuntu.com/p/nh9YsJnRtt/

946B - Weird Subtraction Process              数学         https://paste.ubuntu.com/p/MRcfQd5kBH/

946C - String Transformation                    贪心          https://paste.ubuntu.com/p/rFCn7P7Vwx/

946D - Timetable                                       DP            https://paste.ubuntu.com/p/287CWwqYzj/

940A - Points on the line                  模拟        https://paste.ubuntu.com/p/ZfYpX4J9Mq/

940B - Our Tanya is Crying Out Loud 数学题   https://paste.ubuntu.com/p/xZJB7swbwM/

940C - Phone Numbers                    字符串模拟 https://paste.ubuntu.com/p/NfrMs3tRpb/

940D - Alena And The Heater          模拟         https://paste.ubuntu.com/p/4hrhqSnPFz/

939A - Love Triangle                        模拟         https://paste.ubuntu.com/p/t4jmBcSq9D/

939B - Hamster Farm                       模拟          https://paste.ubuntu.com/p/jf6DfD26W4/

939C - Convenient For Everybody   前缀和      https://paste.ubuntu.com/p/Mym36wSbtD/

939D - Love Rescue                         并查集       https://paste.ubuntu.com/p/qKMv2TvPGV/

939E - Maximize!                             尺取法       https://paste.ubuntu.com/p/wQdJQNsCH8/

938A - Word Correction                  模拟          https://paste.ubuntu.com/p/JZGH2GSbFg/

938B - Run For Your Prize               模拟          https://paste.ubuntu.com/p/65BN8pxjm5/

938C - Constructing Tests               数论          https://paste.ubuntu.com/p/zKHSbC72zj/

938D - Buy a Ticket                         最短路       https://paste.ubuntu.com/p/yhM6G7x397/

 

 

938E - Max History                         数论           https://paste.ubuntu.com/p/GCMd2kb5Yj/

937A - Olympiad                                    暴力              https://paste.ubuntu.com/p/kbb5Y8NsFn/

937B - Vile Grasshoppers                       数学              https://paste.ubuntu.com/p/2RhnB8mR68/

 

937C - Save Energy!                               数学              https://paste.ubuntu.com/p/vgXKJ9WDx5/

937D - Sleepy Game                              图论+博弈     https://paste.ubuntu.com/p/BrfFhHGWqK/

935A - Fafa and his Company        因子数目    https://paste.ubuntu.com/p/Jmz2RG5Mc4/

935B - Fafa and the Gates              模拟           https://paste.ubuntu.com/p/v9fMGpN38z/

935C - Fifa and Fafa                       计算几何     https://paste.ubuntu.com/p/mRwdYkw5mz/

935D - Fafa and Ancient Alphabet DP             https://paste.ubuntu.com/p/msTNqJnyHK/

934A - A Compatible Pair             暴力              https://paste.ubuntu.com/p/nwzfpRK3NJ/

934B - A Prosperous Lot              模拟              https://paste.ubuntu.com/p/tP27rptpDd/

934C - A Twisty Movement          前缀和            https://paste.ubuntu.com/p/6hbk6gd5pw/

 

932A - Palindromic Supersequence 构造           https://paste.ubuntu.com/p/9NXRwWV6M3/

932B - Recursive Queries            前缀和             https://paste.ubuntu.com/p/TwNdcr2ykc/

932C - Permutation Cycle            构造               https://paste.ubuntu.com/p/6c6NCYSh5x/

932D - Tree                                  树上倍增        https://paste.ubuntu.com/p/9f3J2trZTr/

932E - Team Work                       数论                https://paste.ubuntu.com/p/3rsg9VSy4d/

 

931A - Friends Meeting                        暴力                https://paste.ubuntu.com/p/dD8Xx4TmNq/

931B - World Cup                                模拟                  https://paste.ubuntu.com/p/4qyXwPYgdj/

931C - Laboratory Work                       数学,模拟       https://paste.ubuntu.com/p/FQx5TQRyCy/

931D - Peculiar apple-tree                   树上DFS           https://paste.ubuntu.com/p/DmtFM67yhK/

931E - Game with String                      期望                  https://paste.ubuntu.com/p/Rq76JJHHRv/

922A - Cloning Toys                    模拟                https://paste.ubuntu.com/p/tXt2HRbbhd/

922B - Magic Forest                    简单数学         https://paste.ubuntu.com/p/Cpzmg5gM8r/

922C - Cave Painting                   暴力               https://paste.ubuntu.com/p/ZVDYgSh67G/

922D - Robot Vacuum Cleaner   贪心               https://paste.ubuntu.com/p/fBmX669Tfw/

922E - Birds                                 背包               https://paste.ubuntu.com/p/Rq5gRRdfRw/

922F - Divisibility                         构造                https://paste.ubuntu.com/p/wc8Q3Pc5r3/

920A - Water The Garden           暴力模拟          https://paste.ubuntu.com/26529169/

920B - Tea Queue                       模拟                https://paste.ubuntu.com/26529171/

920C - Swap Adjacent Elements  排序               https://paste.ubuntu.com/26529175/

920E - Connected Components? 求联通分量      https://paste.ubuntu.com/26529177/

920F - SUM and REPLACE          线段树              https://paste.ubuntu.com/26529180/

920G - List Of Integers               容斥+二分        https://paste.ubuntu.com/p/36sWvm9TrY/

919A - Supermarket                   数学                 https://paste.ubuntu.com/26522952/

919B - Perfect Number              暴力                 https://paste.ubuntu.com/26522953/

919C - Seat Arrangements        模拟                  https://paste.ubuntu.com/26522955/

919D - Substring                       拓扑判环+DP    https://paste.ubuntu.com/26522957/

919E - Congruence Equation     数论                https://paste.ubuntu.com/26529183/

 

918A - Eleven                             模拟                  https://paste.ubuntu.com/26522941/

918B - Radio Station                  模拟                 https://paste.ubuntu.com/26522942/

918C - The Monster                    贪心                 https://paste.ubuntu.com/26522944/

918D - MADMAX                        记忆化搜索+博弈 https://paste.ubuntu.com/p/zfQZDqxnBV/

 

916A - Jamie and Alarm Snooze 暴力模拟           https://paste.ubuntu.com/p/7KbwBCscx6/

916B - Jamie and Binary Sequence (changed after round) 贪心 https://paste.ubuntu.com/p/kvRtVNchbT/

916C - Jamie and Interesting Graph 构造            https://paste.ubuntu.com/p/wt32GXTj2N/

 

915A - Garden                           数学                   https://paste.ubuntu.com/26522932/

915B - Browser                          模拟                   https://paste.ubuntu.com/26522931/

915C - Permute Digits               搜索                   https://paste.ubuntu.com/26522929/

 

914A - Perfect Squares                     模拟                              https://paste.ubuntu.com/p/mySVbhBRGm/

914B - Conan and Agasa play a Card Game             贪心      https://paste.ubuntu.com/p/cH5bM7s8Qq/

914C - Travelling Salesman and Special Numbers  组合数    https://paste.ubuntu.com/p/ZTpMR73pyR/

914D - Bash and a Tough Math Puzzle                   线段树     https://paste.ubuntu.com/p/5f6V7MNzq4/

913A - Modular Exponentiation 数学                 https://paste.ubuntu.com/26522896/

913B - Christmas Spruce           模拟                  https://paste.ubuntu.com/26522897/

913C - Party Lemonade             贪心                  https://paste.ubuntu.com/26522903/

913D - Too Easy Problems        贪心                   https://paste.ubuntu.com/26522911/

912A - Tricky Alchemy                                                         数学                                 https://paste.ubuntu.com/26330695/

 

 

912B - New Year's Eve                                                        异或                                  https://paste.ubuntu.com/26330699/

911A - Nearest Minimums                           暴力模拟       https://paste.ubuntu.com/p/4Bt2Y6zD5n/

911B - Two Cakes                                         模拟              https://paste.ubuntu.com/p/httGdyWD8J/

911C - Three Garlands                                 暴力              https://paste.ubuntu.com/p/Z7cGj9xDKJ/

911D - Inversion Counting                          线段树           https://paste.ubuntu.com/p/q6vdHB6G8f/

910A - The Way to Home                                                   暴力                                  https://paste.ubuntu.com/26330605/

910B - Door Frames                                                           暴力||DP                            https://paste.ubuntu.com/26330609/

                                                                                                                                      https://paste.ubuntu.com/26330610/

910C - Minimum Sum                                                         模拟                                  https://paste.ubuntu.com/26330613/

909A - Generate Login                                                       暴力模拟                           https://paste.ubuntu.com/26330663/

909B - Segments                                                                暴力                                   https://paste.ubuntu.com/26330665/

909C - Python Indentation                                                  DP                                     https://paste.ubuntu.com/26330667/

908A - New Year and Counting Cards                               模拟                                   https://paste.ubuntu.com/26330618/

908B - New Year and Buggy Bot                                       暴力                                    https://paste.ubuntu.com/26330619/

908C - New Year and Curling                                             暴力                                   https://paste.ubuntu.com/26330647/

907A - Masha and Bears                                                    模拟构造                             https://paste.ubuntu.com/26330653/

907B - Tic-Tac-Toe                                                           模拟                                    https://paste.ubuntu.com/26330656/

907C - Shockers                                                                模拟                                    https://paste.ubuntu.com/26330658/

 

903A - Hungry Student Problem                                        暴力                                    http://paste.ubuntu.com/26199424/

903B - The Modcrab                                                          贪心                                    http://paste.ubuntu.com/26199427/

903C - Boxes Packing                                                      暴力                                     http://paste.ubuntu.com/26199432/

903D - Almost Difference                                                  思维                                    http://paste.ubuntu.com/26199436/

 

902A - Visiting a Friend                                                     模拟                                   https://paste.ubuntu.com/26330591/

902B - Coloring a Tree                                                     搜索                                     https://paste.ubuntu.com/26330594/

902C - Hashing Trees                                                     构造                                     https://paste.ubuntu.com/26330597/

900A - Find Extra One                                                      模拟                                     http://paste.ubuntu.com/26199408/

900B - Position in Fraction                                               数学                                     http://paste.ubuntu.com/26199412/

900C - Remove Extra One                                               树状数组                               http://paste.ubuntu.com/26199414/

 

899A - Splitting in Teams                                                  贪心                                     https://paste.ubuntu.com/26330545/

899B - Months and Years                                                  暴力模拟                             https://paste.ubuntu.com/26330551/

899C - Dividing the numbers                                            构造                                     https://paste.ubuntu.com/26330554/

899D - Shovel Sale                                                           数学                                     https://paste.ubuntu.com/26330557/

898A - Rounding                                                               模拟                                     http://paste.ubuntu.com/26199455/

898B - Proper Nutrition                                                     暴力                                     http://paste.ubuntu.com/26199458/

898C - Phone Numbers                                                   字符串暴力模拟                    http://paste.ubuntu.com/26199460/

898D - Alarm Clock                                                          贪心                                      http://paste.ubuntu.com/26199466/

898E - Squares and not squares                                     优先队列贪心                        http://paste.ubuntu.com/26199471/

897A - Scarborough Fair                                                 暴力                                      http://paste.ubuntu.com/26198993/

897B - Chtholly's request                                               暴力模拟                               http://paste.ubuntu.com/26198995/

897C - Nephren gives a riddle                                        字符串模拟+递归                  http://paste.ubuntu.com/26199027/

895A - Pizza Separation                                                 暴力                                       http://paste.ubuntu.com/26198968/

895B - XK Segments                                                      二分                                        http://paste.ubuntu.com/26198942/

 

894A - QAQ                                                                    暴力                                       http://paste.ubuntu.com/26011561/

894B - Ralph And His Magic Field                                 数学                                       http://paste.ubuntu.com/26011566/

894C - Marco and GCD Sequence                                构造                                       http://paste.ubuntu.com/26011571/

 

893A - Chess For Three                                                 模拟                                       http://paste.ubuntu.com/26198812/

893B - Beautiful Divisors                                                暴力                                      http://paste.ubuntu.com/26198821/

893C - Rumor                                                                 并查集                                   http://paste.ubuntu.com/26198826/

893D - Credit Card                                                         贪心                                       http://paste.ubuntu.com/26198863/

893E - Counting Arrays                                                  组合数                                   http://paste.ubuntu.com/26198881/

892A - Greed                                                                  模拟                                       http://paste.ubuntu.com/26011493/

892B - Wrath                                                                  模拟                                       http://paste.ubuntu.com/26011494/

892C - Pride                                                                   贪心                                       http://paste.ubuntu.com/26011500/

892E - Envy                                                                    最小生成树                            https://paste.ubuntu.com/26330562/

890A - ACM ICPC                                                          暴力                                       http://paste.ubuntu.com/26011459/

890B - Vlad and Cafes                                                   set                                          http://paste.ubuntu.com/26011461/

890C - Petya and Catacombs                                        思维                                       http://paste.ubuntu.com/26011465/

888A - Local Extrema                                                    暴力模拟                                http://paste.ubuntu.com/26011389/

888B - Buggy Robot                                                      贪心                                        http://paste.ubuntu.com/26011396/

888C - K-Dominant Character                                       模拟||二分                              http://paste.ubuntu.com/26011430/

888D - Almost Identity Permutations                             组合数                                   http://paste.ubuntu.com/26011451/

887A - Div. 64                                                                模拟                                       http://paste.ubuntu.com/26011359/

887B - Cubes for Masha                                                暴力                                       http://paste.ubuntu.com/26011370/

887C - Solution for Cube                                               暴力模拟                                http://paste.ubuntu.com/26011379/

 

884A - Book Reading                                                     模拟                                       http://paste.ubuntu.com/25903300/

884B - Japanese Crosswords Strike Back                     模拟                                       http://paste.ubuntu.com/25903316/

 

 

884C - Bertown Subway                                                DFS                                        http://paste.ubuntu.com/25903383/

883E - Field of Wonders                                                            模拟                                              https://paste.ubuntu.com/p/RdZ23YyRTF/

883F - Lost in Transliteration                                                     模拟                                              https://paste.ubuntu.com/p/X4yXS8NJ7z/

883M - Quadcopter Competition                                              数学                                             https://paste.ubuntu.com/p/DzppBBJSBh/

 

879A - Borya's Diagnosis                                              模拟                                         http://paste.ubuntu.com/26011341/

879B - Table Tennis                                                      模拟                                         http://paste.ubuntu.com/26011343/

879C - Short Program                                                   位运算                                       http://paste.ubuntu.com/26011353/

877A - Alex and broken contest                                     模拟                                        http://paste.ubuntu.com/25903114/

877B - Nikita and string                                                  暴力+DP                                  http://paste.ubuntu.com/25903259/

877C - Slava and tanks                                                  构造                                        http://paste.ubuntu.com/25903278/

877D - Olya and Energy Drinks                                     BFS                                        http://paste.ubuntu.com/25903283/

876A - Trip For Meal                                                      简单数学                                http://paste.ubuntu.com/25903041/

876B - Divisiblity of Differences                                      数学                                       http://paste.ubuntu.com/25903046/

876C - Classroom Watch                                               暴力                                       http://paste.ubuntu.com/25903079/

876D - Sorting the Coins                                               思维                                         http://paste.ubuntu.com/25903104/

873A - Chores                                                               模拟                                         http://paste.ubuntu.com/25866061/

873B - Balanced Substring                                            前缀和                                    http://paste.ubuntu.com/25866070/

873C - Strange Game On Matrix                                   暴力                                        http://paste.ubuntu.com/25866078/

 

872A - Search for Pretty Integers                                  模拟                                       http://paste.ubuntu.com/25866114/

872B - Maximum of Maximums of Minimums               模拟                                       http://paste.ubuntu.com/25866120/

872C - Maximum splitting                                              数学+贪心                             http://paste.ubuntu.com/25866124/

 

869A - The Artful Expedient                                          暴力                                        http://paste.ubuntu.com/25708039/

869B - The Eternal Immortality                                     简单数学                                  http://paste.ubuntu.com/25708044/

869C - The Intriguing Obsession                                  组合数                                    http://paste.ubuntu.com/25865774/

868A - Bark to Unlock                                                  暴力模拟                                   http://paste.ubuntu.com/25707987/

 

868B - Race Against Time                                            模拟                                        http://paste.ubuntu.com/25708018/

868C - Qualification Rounds                                        状态压缩                                  http://paste.ubuntu.com/25708028/

 

867A - Between the Offices                                         简单模拟                                  http://paste.ubuntu.com/25707956/

867B - Save the problem!                                            巧妙模拟                                  http://paste.ubuntu.com/25707969/

 

863A - Quasi-palindrome                                              暴力模拟                                  http://paste.ubuntu.com/25650706/

863B - Kayaking                                                           暴力+贪心+排序                        http://paste.ubuntu.com/25650711/

864C - Bus                                                                   模拟                                           http://paste.ubuntu.com/25650718/

864D - Make a Permutation!                                        贪心模拟                                   http://paste.ubuntu.com/25650720/

862A - Mahmoud and Ehab and the MEX                   模拟                                           http://paste.ubuntu.com/25592006/

862B - Mahmoud and Ehab and the bipartiteness      二分图染色                                 http://paste.ubuntu.com/25592008/

862C - Mahmoud and Ehab and the xor                     异或                                            http://paste.ubuntu.com/25592010/

 

861A - k-rounding                                                        LCM                                          http://paste.ubuntu.com/25571974/

861B - Which floor?                                                     暴力模拟                                     http://paste.ubuntu.com/25571979/

861C - Did you mean...                                                模拟                                           http://paste.ubuntu.com/25571991/

 

855A - Tom Riddle's Diary                                          模拟                                           http://paste.ubuntu.com/25650733/

855B - Marvolo Gaunt's Ring                                      前缀和                                        http://paste.ubuntu.com/25650739/

854A - Fraction                                                            简单数学                                    http://paste.ubuntu.com/25479370/

854B - Maxim Buys an Apartment                               模拟                                           http://paste.ubuntu.com/25479367/

854C - Planning                                                          贪心+优先队列                            http://paste.ubuntu.com/25479380/

853B - Jury Meeting                                                    贪心                                           http://paste.ubuntu.com/25479390/

 

851A - Arpa and a research in Mexican wave            简单计算                                     http://paste.ubuntu.com/25470340/

851B - Arpa and an exam about geometry                 计算几何                                     http://paste.ubuntu.com/25470341/

851C - Five Dimensional Points                                  计算几何                                      http://paste.ubuntu.com/25470347/

851D - Arpa and a list of numbers                              数论                                             http://paste.ubuntu.com/25470349/

 

849A - Odds and Ends                                                思维                                             http://paste.ubuntu.com/25445898/

849B - Tell Your World                                                计算几何                                       http://paste.ubuntu.com/25445901/

 

 

849C - From Y to Y                                                     思维                                              http://paste.ubuntu.com/25445906/

847A - Union of Doubly Linked Lists                   模拟                 https://paste.ubuntu.com/p/p3gdhTpXYX/

847G - University Classes                                     模拟                 https://paste.ubuntu.com/p/DhYrYgm993/

847M - Weather Tomorrow                                 模拟                 https://paste.ubuntu.com/p/G38zHjPQY4/

 

846A - Curriculum Vitae                                              暴力模拟                                     http://paste.ubuntu.com/25479352/

846B - Math Show                                                       贪心                                            http://paste.ubuntu.com/25479355/

                                                                                     DP                                              http://paste.ubuntu.com/25482757/

 

846C - Four Segments                                                前缀和                                         http://paste.ubuntu.com/25563855/

846D - Monitor                                                             前缀和                                        http://paste.ubuntu.com/25563858/

846F - Random Query                                                 期望                                            http://paste.ubuntu.com/25479360/

 

845A - Chess Tourney                                                sort                                              http://paste.ubuntu.com/25370703/

845B - Luba And The Ticket                                       贪心                                              http://paste.ubuntu.com/25370712/

845C - Two TVs                                                         sort+贪心                                      http://paste.ubuntu.com/25370717/

845D - Driving Test                                                    STL容器                                         http://paste.ubuntu.com/25370722/

 

844A - Diversity                                                          模拟水题                                       http://paste.ubuntu.com/25422716/

844B - Rectangles                                                      组合数                                         http://paste.ubuntu.com/25422725/

843A - Sorting by Subsequences                              (强连通|搜索)判环                           http://paste.ubuntu.com/25422745/

                                                                                                                                         http://paste.ubuntu.com/25422816/

 

842A - Kirill And The Game                                        暴力                                              http://paste.ubuntu.com/25430450/

842B - Gleb And Pizza                                               计算几何水题                                http://paste.ubuntu.com/25430454/

842C - Ilya And The Tree                                           树上DFS                                       http://paste.ubuntu.com/25430457/

 

841A - Generous Kefa                                                水题                                               http://paste.ubuntu.com/25340884/

841B - Godsend                                                         博弈水题                                        http://paste.ubuntu.com/25340885/

841C - Leha and Function                                          简单sort                                         http://paste.ubuntu.com/25340899/

 

839A - Arya and Bran                                                 贪心水题                                        http://paste.ubuntu.com/25298870/

839B - Game of the Rows                                          贪心+思维                                       http://paste.ubuntu.com/25299256/

839C - Journey                                                           DFS+期望                                       http://paste.ubuntu.com/25298888/

 

837A - Text Volume                                                    字符串水题                                     http://paste.ubuntu.com/25254345/

837B - Flag of Berland                                                暴力模拟                                        http://paste.ubuntu.com/25254354/

837C - Two Seals                                                       暴力                                                http://paste.ubuntu.com/25254360/

837D - Round Subset                                                 滚动数组DP                                    http://paste.ubuntu.com/25254372/ 

 

835A - Key races                                                        水题                                                 http://paste.ubuntu.com/25214685/

835B - The number on the board                                数论水题(贪心)                               http://paste.ubuntu.com/25214694/

835C - Star sky                                                           前缀和思想                                    http://paste.ubuntu.com/25214707/

835D - Palindromic characteristics                             区间DP                                           http://paste.ubuntu.com/25224086/

 

834A - The Useless Toy                                             水题                                                http://paste.ubuntu.com/25210478/

834B - The Festive Evening                                        水题                                                http://paste.ubuntu.com/25210486/

834C - The Meaningless Game                                  数学思维                                         http://paste.ubuntu.com/25210493/

833B - The Bakery                                                      线段树+DP                                    http://paste.ubuntu.com/25212523/

832A - Sasha and Sticks                                             水题                                               http://paste.ubuntu.com/25203370/

 

831A - Unimodal Array                                               模拟水题                                         http://paste.ubuntu.com/25325124/

831B - Keyboard Layouts                                          模拟水题                                         http://paste.ubuntu.com/25325111/

831C - Jury Marks                                                     暴力模拟+STL                                http://paste.ubuntu.com/25325102/

830A - Office Keys                                                   二分||DP                                           http://paste.ubuntu.com/25325098/

828A - Restaurant Tables                                         水题                                                  http://paste.ubuntu.com/25325180/

828B - Black Square                                                 暴力模拟                                           http://paste.ubuntu.com/25325176/

828C - String Reconstruction                                   sort||并查集好题                                 http://paste.ubuntu.com/25325153/

                                                                                                                                           http://paste.ubuntu.com/25325145/

828D - High Load                                                      构造                                                 http://paste.ubuntu.com/25325165/

 

816A - Karen and Morning                                        暴力模拟                                          http://paste.ubuntu.com/25563883/

816B - Karen and Coffee                                          前缀和                                             http://paste.ubuntu.com/25563890/

                                                                                  线段树                                             http://paste.ubuntu.com/25563895/

816C - Karen and Game                                           暴力模拟+贪心                                 http://paste.ubuntu.com/25563901/

 

812A - Sagheer and Crossroads                                模拟                                                  http://paste.ubuntu.com/25277511/

812B - Sagheer, the Hausmeister                               爆搜                                                http://paste.ubuntu.com/25425056/

812C - Sagheer and Nubian Market                           二分                                                  http://paste.ubuntu.com/25277507/

 

811A - Vladik and Courtesy                                        暴力模拟水题                                   http://paste.ubuntu.com/25203381/

811B - Vladik and Complicated Book                         模拟                                                 http://paste.ubuntu.com/25203376/

807A - Is it rated?                                                        模拟                                                  http://paste.ubuntu.com/25194615/

807B - T-Shirt Hunt                                                     暴力                                                  http://paste.ubuntu.com/25194627/

807C - Success Rate                                                  公式推导||二分                                  http://paste.ubuntu.com/25194646/

805A - Fake NP                                                          数学想法题                                        http://paste.ubuntu.com/25194570/

805B - 3-palindrome                                                   构造                                                   http://paste.ubuntu.com/25194541/

805D - Minimum number of steps                              思维                                                    http://paste.ubuntu.com/25194600/

 

801A - Vicious Keyboard                                           模拟                                                   http://paste.ubuntu.com/26199036/

801B - Valued Keys                                                    贪心                                                  http://paste.ubuntu.com/26199038/

801C - Voltage Keepsake                                           二分                                                  http://paste.ubuntu.com/26199387/

801D - Volatile Kite                                                     计算几何                                           http://paste.ubuntu.com/26199391/

 

797A - k-Factorization                                                 数学                                                   https://paste.ubuntu.com/26330572/

797B - Odd sum                                                          贪心                                                   https://paste.ubuntu.com/26330577/

797C - Minimal string                                                 贪心                                                    https://paste.ubuntu.com/26330585/

796A - Buying A House                                              暴力模拟                                             http://paste.ubuntu.com/25194493/

796B - Find The Bone                                                模拟                                                    http://paste.ubuntu.com/25194533/

796D - Police Stations                                               BFS                                                     http://paste.ubuntu.com/25203441/

 

 

791B - Bear and Friendship Condition                       DFS找联通块                                      http://paste.ubuntu.com/25196873/

789A - Anastasia and pebbles                      暴力模拟         https://paste.ubuntu.com/p/QzwmFGKjXh/

789B - Masha and geometric depression     模拟                https://paste.ubuntu.com/p/3XQf6fGVhX/

789C - Functions again                                 DP                  https://paste.ubuntu.com/p/7dcHjqYwgn/

 

789D - Weird journey                                   图论                https://paste.ubuntu.com/p/dwyb79yrKq/

784A - Numbers Joke                                   愚人节             https://paste.ubuntu.com/p/ntHrZDDsrg/

784B - Kids' Riddle                                       愚人节              https://paste.ubuntu.com/p/JBh93nK6Js/

784C - INTERCALC                                       愚人节              https://paste.ubuntu.com/p/n4Wchhp7ty/

784E - Twisted Circuit                                  愚人节              https://paste.ubuntu.com/p/krdntZBt7k/

784F - Crunching Numbers Just for You     愚人节              https://paste.ubuntu.com/p/z5ZCMJDn3W/

784G - BF Calculator                                   愚人节               https://paste.ubuntu.com/p/FgpxnV7xT9/

780E - Underground Lab                                           类DFS序                                              http://paste.ubuntu.com/25196884/

770C - Online Courses In BSU                                  DFS建图+拓扑排序                             http://paste.ubuntu.com/25194659/

769C - Cycle In Maze                                                最短路+路径还原                                 http://paste.ubuntu.com/25196559/

767C - Garland                                                          DFS                                                     http://paste.ubuntu.com/25213014/

719B - Anatoly and Cockroaches                              贪心                                                    http://paste.ubuntu.com/25325249/

707D - Persistent Bookcase                                     思维+DFS                                            http://paste.ubuntu.com/25210500/

700B - Connecting Universities                                 DFS+树的重心                                     http://paste.ubuntu.com/25203469/

 

681D - Gifts by the List                                              思维+DFS                                           http://paste.ubuntu.com/25205088/

679B - Bear and Tower of Cubes                              DFS                                                    http://paste.ubuntu.com/25194942/

676D - Theseus and labyrinth                                   旋转迷宫BFS                                      http://paste.ubuntu.com/25204287/

598D - Igor In the Museum                                        DFS找连通块                                      http://paste.ubuntu.com/25203445/

597C - Subsequences                                               DP+二维线段树                                 http://paste.ubuntu.com/25563877/

 

591A - Wizards' Duel                                                水题                                                   http://paste.ubuntu.com/26118977/

591B - Rebranding                                                    模拟                                                   http://paste.ubuntu.com/26118994/

591C - Median Smoothing                                        构造                                                    http://paste.ubuntu.com/26119034/

591D - Chip 'n Dale Rescue Rangers                       二分                                                     http://paste.ubuntu.com/26119051/

591E - Three States                                                  优先队列+BFS                                   http://paste.ubuntu.com/26119056/

566F - Clique in the Divisibility Graph                        DP                                                     http://paste.ubuntu.com/25442321/

557D - Vitaly and Cycle                                             二分图染色+DFS                                http://paste.ubuntu.com/25225139/

500D - New Year Santa Network GNU                    期望+DFS                                            http://paste.ubuntu.com/25212522/

490D - Chocolate                                                       思维+爆搜                                           http://paste.ubuntu.com/25203449/

 

 

489D - Unbearable Controversy of Being                  DFS                                                    http://paste.ubuntu.com/25203434/

469A - I Wanna Be the Guy 模拟 https://paste.ubuntu.com/p/4fGwKBGg4n/

469B - Chat Online 暴力 https://paste.ubuntu.com/p/RJMcRj9bKH/

469C - 24 Game 构造 https://paste.ubuntu.com/p/TzpWhgfgqK/

469D - Two Sets 并查集 https://paste.ubuntu.com/p/4BTSfG5jPj/

466E - Information Graph                                         并查集+DFS                                        http://paste.ubuntu.com/25211551/

 

459D - Pashmak and Parmida's problem                 树状数组                                             http://paste.ubuntu.com/25325093/

459E - Pashmak and Graph                                     DP好题                                               http://paste.ubuntu.com/25325134/

455C - Civilization                                                    并查集+树上DFS                                http://paste.ubuntu.com/26168789/

 

426A - Sereja and Mugs                                            模拟                                                   http://paste.ubuntu.com/26198902/

426B - Sereja and Mirroring                                      模拟                                                   http://paste.ubuntu.com/26198911/

426C - Sereja and Swaps                                         优先队列+贪心                                  http://paste.ubuntu.com/26198929/

371A - K-Periodic Array                                            数学模拟                                             http://paste.ubuntu.com/25325276/

371B - Fox Dividing Cheese                                    数论                                                    http://paste.ubuntu.com/25325267/

371C - Hamburgers                                                  二分                                                    http://paste.ubuntu.com/25325188/

371D - Vessels                                                         并查集                                                 http://paste.ubuntu.com/25325285/

371E - Subway Innovation                                       数学思维                                              http://paste.ubuntu.com/25325199/

366D - Dima and Trap Graph                                  二分+DFS                                           http://paste.ubuntu.com/25203429/

363D - Renting Bikes                                              二分套二分                                         http://paste.ubuntu.com/25203419/

 

340A - The Wall                                                       数学水题                                              http://paste.ubuntu.com/25325196/

340D - Bubble Sort Graph                                       LIS                                                      http://paste.ubuntu.com/25325205/

330D - Biridian Forest                                             最短路                                                 http://paste.ubuntu.com/25224703/

 

272A - Dima and Friends                                       模拟                                                     http://paste.ubuntu.com/25650746/

272B - Dima and Sequence                                   数学                                                    http://paste.ubuntu.com/25650755/

272C - Dima and Staircase                                    线段树                                                 http://paste.ubuntu.com/25650760/

 

230A - Dragons                                                     sort+贪心                                            http://paste.ubuntu.com/26119242/

230B - T-primes                                                   素数判断                                               http://paste.ubuntu.com/26119260/

230C - Shifts                                                         模拟                                                     http://paste.ubuntu.com/26119275/

230D - Planets                                                     二分+最短路                                         http://paste.ubuntu.com/26119279/

230E - Triangles                                                  图论+数学                                             http://paste.ubuntu.com/26119290/

 

 

GYM

 

100812G - Short Path                                           最短路+思维好题                                   http://paste.ubuntu.com/25442090/

 

101164D - Reading Digits                                     模拟                                                       http://paste.ubuntu.com/25708051/

101164F - Letters                                                  模拟                                                      http://paste.ubuntu.com/25708060/

101164G - Pokemons                                          贪心                                                       http://paste.ubuntu.com/25708072/

101164H - Pub crawl                                            凸包                                                      http://paste.ubuntu.com/25712762/

 

101177I - Intuidiff II                                              DP+线段树                                           http://paste.ubuntu.com/25866032/

101485E - Elementary Math                                二分匹配                                               http://paste.ubuntu.com/25866025/

 

 

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