AtCoder题解集锦

AtCoder题解集锦

自己从全网整理的一些优质AtCoder题解,目前只有ABC(AtCoder Beginner Contest)的C~F。不定期更新。

如您有更多需求,欢迎私信我或在评论区留言!
→ \rarr 题解列表传送门

用法

  • 表格查找

    1. 找到对应比赛的行
    2. 找到对应题目的列
    3. 该位置即为对应的题解
  • 题号查找

    1. 在浏览器中按下搜索快捷键Ctrl+F,调出搜索窗口。
    2. 输入对应的题号,如244F
    3. 找到对应题解
  • 标题查找

    1. 在浏览器中按下搜索快捷键Ctrl+F,调出搜索窗口。
    2. 输入题目标题,如Shortest Good Path
    3. 找到对应题解

题解筛选规则:

  • 优先选择中文题解
  • 若没有较好的中文题解,选择AtCoder官方题解
  • 若赛后几天暂时没有题解,选取优质的提交记录作为链接

题目列表

按比赛时间升序排列,从ABC195开始。

比赛 C D E F
ABC195 195C - Comma 195D - Shipping Center 195E - Lucky 7 Battle 195F - Coprime Present
ABC196 196C - Doubled 196D - Hanjo 196E - Filters 196F - Substring 2
ABC197 197C - ORXOR 197D - Opposite 197E - Traveler 197F - Construct a Palindrome
ABC198 198C - Compass Walking 198D - Send More Money 198E - Unique Color 198F - Cube
ABC199 199C - IPFL 199D - RGB Coloring 2 199E - Permutation 199F - Graph Smoothing
ABC200 200C - Ringo’s Favorite Numbers 2 200D - Happy Birthday! 2 200E - Patisserie ABC 2 200F - Minflip Summation
ABC201 201C - Secret Number 201D - Game in Momotetsu World 201E - Xor Distances 201F - Insertion Sort
ABC202 202C - Made Up 202D - aab aba baa 202E - Count Descendants 202F - Integer Convex Hull
ABC203 203C - Friends and Travel costs 203D - Pond 203E - White Pawn 203F - Weed
ABC204 204C - Tour 204D - Cooking 204E - Rush Hour 2 204F - Hanjo 2
ABC205 205C - POW 205D - Kth Excluded 205E - White and Black Balls 205F - Grid and Tokens
ABC206 206C - Swappable 206D - KAIBUNsyo 206E - Divide Both 206F - Interval Game 2
ABC207 207C - Many Segments 207D - Congruence Points 207E - Mod i 207F - Tree Patrolling
ABC208 208C - Fair Candy Distribution 208D - Shortest Path Queries 2 208E - Digit Products 208F - Cumulative Sum
ABC209 209C - Not Equal 209D - Collision 209E - Shiritori 209F - Deforestation
ABC210 210C - Colorful Candies 210D - National Railway 210E - Ring MST 210F - Coprime Solitaire
ABC211 211C - chokudai 211D - Number of Shortest paths 211E - Red Polyomino 211F - Rectilinear Polygons
ABC212 212C - Min Difference 212D - Querying Multiset 212E - Safety Journey 212F - Greedy Takahashi
ABC213 213C - Reorder Cards 213D - Takahashi Tour 213E - Stronger Takahashi 213F - Common Prefixes
ABC214 214C - Distribution 214D - Sum of Maximum Weights 214E - Packing Under Range Regulations 214F - Substrings
ABC215 215C - One More aab aba baa 215D - Coprime 2 215E - Chain Contestant 215F - Dist Max 2
ABC216 216C - Many Balls 216D - Pair of Balls 216E - Amusement Park 216F - Max Sum Counting
ABC217 217C - Inverse of Permutation 217D - Cutting Woods 217E - Sorting Queries 217F - Make Pair
ABC218 218C - Shapes 218D - Rectangles 218E - Destruction 218F - Blocked Roads
ABC219 219C - Neo-lexicographic Ordering 219D - Strange Lunchbox 219E - Moat 219F - Cleaning Robot
ABC220 220C - Long Sequence 220D - FG operation 220E - Distance on Large Perfect Binary Tree 220F - Distance Sums 2
ABC221 221C - Select Mul 221D - Online games 221E - LEQ 221F - Diameter set
ABC222 222C - Swiss-System Tournament 222D - Between Two Arrays 222E - Red and Blue Tree 222F - Expensive Expense
ABC223 223C - Doukasen 223D - Restricted Permutation 223E - Placing Rectangles 223F - Parenthesis Checking
ABC224 224C - Triangle? 224D - 8 Puzzle on Graph 224E - Integers on Grid 224F - Problem where +s Separate Digits
ABC225 225C - Calendar Validator 225D - Play Train 225E - フ/7 225F - String Cards
ABC226 226C - Martial artist 226D - Teleportation 226E - Just one 226F - Score of Permutations
ABC227 227C - ABC conjecture 227D - Project Planning 227E - Swap 227F - Treasure Hunting
ABC228 228C - Final Day 228D - Linear Probing 228E - Integer Sequence Fair 228F - Stamp Game
ABC229 229C - Cheese 229D - Longest X 229E - Graph Destruction 229F - Make Bipartite
ABC230 230C - X drawing 230D - Destroyer Takahashi 230E - Fraction Floor Sum 230F - Predilection
ABC231 231C - Counting 2 231D - Neighbors 231E - Minimal payments 231F - Jealous Two
ABC232 232C - Graph Isomorphism 232D - Weak Takahashi 232E - Rook Path 232F - Simple Operations on Sequence
ABC233 233C - Product 233D - Count Interval 233E - Σ[k=0…10100]floor(X/10k) 233F - Swap and Sort
ABC234 234C - Happy New Year! 234D - Prefix K-th Max 234E - Arithmetic Number 234F - Reordering
ABC235 235C - The Kth Time Query 235D - Multiply and Rotate 235E - MST + 1 235F - Variety of Digits
ABC236 236C - Route Map 236D - Dance 236E - Average and Median 236F - Spices
ABC237 237C - kasaka 237D - LR insertion 237E - Skiing 237F - |LIS| = 3
ABC238 238C - digitnum 238D - AND and SUM 238E - Range Sums 238F - Two Exams
ABC239 239C - Knight Fork 239D - Prime Sum Game 239E - Subtree K-th Max 239F - Construct Highway
ABC240 240C - Jumping Takahashi 240D - Strange Balls 240E - Ranges on Tree 240F - Sum Sum Max
ABC241 241C - Connect 6 241D - Sequence Query 241E - Putting Candies 241F - Skate
ABC242 242C - 1111gal password 242D - ABC Transform 242E - (∀x∀) 242F - Black and White Rooks
ABC243 243C - Collision 2 243D - Moves on Binary Tree 243E - Edge Deletion 243F - Lottery
ABC244 244C - Yamanote Line Game 244D - Swap Hats 244E - King Bombee 244F - Shortest Good Path
ABC245 245C - Choose Elements 245D - Polynomial division 245E - Wrapping Chocolate 245F - Endless Walk
ABC246 246C - Coupon 246D - 2-variable Function 246E - Bishop 2 246F - typewriter
ABC247 247C - 1 2 1 3 1 2 1 247D - Cylinder 247E - Max Min 247F - Cards
ABC248 248C - Dice Sum 248D - Range Count Query 248E - K-colinear Line 248F - Keep Connect
ABC249 249C - Just K 249D - Index Trio 249E - RLE 249F - Ignore Operations
ABC250 250C - Adjacent Swaps 250D - 250-like Number 250E - Prefix Equality 250F - One Fourth
ABC251 251C - Poem Online Judge 251D - At Most 3 (Contestant ver.) 251E - Takahashi and Animals 251F - Two Spanning Trees
ABC252 252C - Slot Strategy 252D - Distinct Trio 252E - Road Reduction 252F - Bread
ABC253 253C - Max - Min Query 253D - FizzBuzz Sum Hard 253E - Distance Sequence 253F - Operations on a Matrix
ABC254 254C - K Swap 254D - Together Square 254E - Small d and k 254F - Rectangle GCD
ABC255 255C - ±1 Operation 1 255D - ±1 Operation 2 255E - Lucky Numbers 255F - Pre-order and In-order
ABC256 256C - Filling 3x3 array 256D - Union of Interval 256E - Takahashi’s Anguish 256F - Cumulative Cumulative Cumulative Sum
ABC257 257C - Robot Takahashi 257D - Jumping Takahashi 2 257E - Addition and Multiplication 2 257F - Teleporter Setting
ABC258 258C - Rotation 258D - Trophy 258E - Packing Potatoes 258F - Main Street
ABC259 259C - XX to XXX 259D - Circumferences 259E - LCM on Whiteboard 259F - Select Edges
ABC260 260C - Changing Jewels 260D - Draw Your Cards 260E - At Least One 260F - Find 4-cycle
ABC261 261C - NewFolder(1) 261D - Flipping and Bonus 261E - Many Operations 261F - Sorting Color Balls
ABC262 262C - Min Max Pair 262D - I Hate Non-integer Number 262E - Red and Blue Graph 262F - Erase and Rotate
ABC263 263C - Monotonically Increasing 263D - Left Right Operation 263E - Sugoroku 3 263F - Tournament
ABC264 264C - Matrix Reducing 264D - "redocta".swap(i,i+1) 264E - Blackout 2 264F - Monochromatic Path
ABC265 265C - Belt Conveyor 265D - Iroha and Haiku (New ABC Edition) 265E - Warp 265F - Manhattan Cafe
ABC266 266C - Convex Quadrilateral 266D - Snuke Panic (1D) 266E - Throwing the Die 266F - Well-defined Path Queries on a Namori
ABC267 267C - Index × A(Continuous ver.) 267D - Index × A(Not Continuous ver.) 267E - Erasing Vertices 2 267F - Exactly K Steps
ABC268 268C - Chinese Restaurant 268D - Unique Username 268E - Chinese Restaurant (Three-Star Version) 268F - Best Concatenation
ABC269 269C - Submask 269D - Do use hexagon grid 269E - Last Rook 269F - Numbered Checker
ABC270 270C - Simple path 270D - Stones 270E - Apple Baskets on Circle 270F - Transportation
ABC271 271C - Manga 271D - Flip and Adjust 271E - Subsequence Path 271F - XOR on Grid Path
ABC272 272C - Max Even 272D - Root M Leaper 272E - Add and Mex 272F - Two Strings
ABC273 273C - (K+1)-th Largest Number 273D - LRUD Instructions 273E - Notebook 273F - Hammer 2
ABC274 274C - Ameba 274D - Robot Arms 2 274E - Booster 274F - Fishing
ABC275 275C - Counting Squares 275D - Yet Another Recursive Function 275E - Sugoroku 4 275F - Erase Subarrays
ABC276 276C - Previous Permutation 276D - Divide by 2 or 3 276E - Round Trip 276F - Double Chance
ABC277 277C - Ladder Takahashi 277D - Takahashi's Solitaire 277E - Crystal Switches 277F - Sorting a Matrix
ABC278 278C - FF 278D - All Assign Point Add 278E - Grid Filling 278F - Shiritori
ABC279 279C - RANDOM 279D - Freefall 279E - Cheating Amidakuji 279F - BOX
ABC280 280C - Extra Character 280D - Factorial and Multiple 280E - Critical Hit 280F - Pay or Receive
ABC281 281C - Circular Playlist 281D - Max Multiple 281E - Least Elements 281F - Xor Minimization
ABC282 282C - String Delimiter 282D - Make Bipartite 2 282E - Choose Two and Eat One 282F - Union of Two Sets
ABC283 283C - Cash Register 283D - Scope 283E - Don't Isolate Elements 283F - Permutation Distance
ABC284 284C - Count Connected Components 284D - Happy New Year 2023 284E - Count Simple Paths 284F - ABCBAC
ABC285 285C - abc285_brutmhyhiizp 285D - Change Usernames 285E - Work or Rest 285F - Substring of Sorted String
ABC286 286C - Rotate and Palindrome 286D - Money in Hand 286E - Souvenir 286F - Guess The Number 2

更新日志

日期 更新内容
2022/06/16 增加更新日志;更新ABC254-255题解
2022/08/19 更新ABC264题解
2022/08/22 更新ABC265题解
2022/09/16 更新ABC266-268题解
2022/10/11 更新ABC269-272题解
2022/11/6 更新ABC273-276题解
2022/12/31 更新ABC277-283题解
2023/01/24 更新ABC283-286题解

注:本人老是在比赛后忘(lan)记(de)更新,欢迎大家私信提醒我,谢谢!

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