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/
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/