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AtCoder ARC Contest Problems (ARC058-ARC183)

章节 1. AtCoder ARC 历年题目（ARC058-ARC183）

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题目 尝试 AC 难度
ATarc183a   [ARC183A] Median of Good Sequences 4 4 10
ATarc183b   [ARC183B] Near Assignment 2 1 10
ATarc183c   [ARC183C] Not Argmax 2 1 10
ATarc183d   [ARC183D] Keep Perfectly Matched 1 1 10
ATarc183e   [ARC183E] Ascendant Descendant 1 1 10
ATarc183f   [ARC183F] Sum of Minimum Distance 1 1 10
ATarc182a   [ARC182A] Chmax Rush! 2 1 10
ATarc182b   [ARC182B] |{floor(A_i/2^k)}| 2 1 10
ATarc182c   [ARC182C] Sum of Number of Divisors of Product 2 1 10
ATarc182d   [ARC182D] Increment Decrement Again 1 1 10
ATarc182e   [ARC182E] Sum of Min of Mod of Linear 4 2 10
ATarc182f   [ARC182F] Graph of Mod of Linear 1 1 10
ATarc181a   [ARC181A] Sort Left and Right 28 8 7
ATarc181b   [ARC181B] Annoying String Problem 7 2 10
ATarc181c   [ARC181C] Row and Column Order 3 2 10
ATarc181d   [ARC181D] Prefix Bubble Sort 3 1 10
ATarc181e   [ARC181E] Min and Max at the edge 1 1 10
ATarc181f   [ARC181F] Colorful Reversi 1 1 10
ATarc180a   [ARC180A] ABA and BAB 1 1 10
ATarc180b   [ARC180B] Improve Inversions 1 1 10
ATarc180c   [ARC180C] Subsequence and Prefix Sum 1 1 10
ATarc180d   [ARC180D] Division into 3 1 1 10
ATarc180e   [ARC180E] LIS and Inversion 1 1 10
ATarc180f   [ARC180F] Yet Another Expected Value 1 1 10
ATarc179a   [ARC179A] Partition 39 10 7
ATarc179b   [ARC179B] Between B and B 7 4 10
ATarc179c   [ARC179C] Beware of Overflow 2 0 10
ATarc179d   [ARC179D] Portable Gate 13 3 9
ATarc179e   [ARC179E] Rectangle Concatenation 1 1 10
ATarc179f   [ARC179F] All the Same 1 1 10
ATarc178a   [ARC178A] Good Permutation 2 1 1 10
ATarc178b   [ARC178B] 1 + 6 = 7 9 2 10
ATarc178c   [ARC178C] Sum of Abs 2 1 1 10
ATarc178d   [ARC178D] Delete Range Mex 1 1 10
ATarc178e   [ARC178E] Serval Survival 2 1 10
ATarc178f   [ARC178F] Long Sequence Inversion 1 1 10
ATarc177a   [ARC177A] Exchange 17 14 5
ATarc177b   [ARC177B] Puzzle of Lamps 3 3 10
ATarc177c   [ARC177C] Routing 1 1 10
ATarc177d   [ARC177D] Earthquakes 1 1 10
ATarc177e   [ARC177E] Wrong Scoreboard 1 1 10
ATarc177f   [ARC177F] Two Airlines 1 1 10
ATarc176a   [ARC176A] 01 Matrix Again 1 1 10
ATarc176b   [ARC176B] Simple Math 4 1 1 10
ATarc176c   [ARC176C] Max Permutation 1 1 10
ATarc176d   [ARC176D] Swap Permutation 1 1 10
ATarc176e   [ARC176E] Max Vector 2 1 10
ATarc176f   [ARC176F] Colorful Star 1 1 10
ATarc175a   [ARC175A] Spoon Taking Problem 3 1 10
ATarc175b   [ARC175B] Parenthesis Arrangement 1 1 10
ATarc175c   [ARC175C] Jumping Through Intervals 1 1 10
ATarc175d   [ARC175D] LIS on Tree 2 1 0 10
ATarc175e   [ARC175E] Three View Drawing 1 1 10
ATarc175f   [ARC175F] Append Same Characters 1 1 10
ATarc174a   [ARC174A] A Multiply 3 2 10
ATarc174b   [ARC174B] Bought Review 1 1 10
ATarc174c   [ARC174C] Catastrophic Roulette 1 1 10
ATarc174d   [ARC174D] Digit vs Square Root 1 1 10
ATarc174e   [ARC174E] Existence Counting 1 1 10
ATarc174f   [ARC174F] Final Stage 1 1 10
ATarc173a   [ARC173A] Neq Number 1 1 10
ATarc173b   [ARC173B] Make Many Triangles 1 1 10
ATarc173c   [ARC173C] Not Median 1 1 10
ATarc173d   [ARC173D] Bracket Walk 1 1 10
ATarc173e   [ARC173E] Rearrange and Adjacent XOR 1 1 10
ATarc173f   [ARC173F] Select and Split 1 1 10
ATarc172a   [ARC172A] Chocolate 1 1 10
ATarc172b   [ARC172B] AtCoder Language 2 2 10
ATarc172c   [ARC172C] Election 1 1 10
ATarc172d   [ARC172D] Distance Ranking 1 1 10
ATarc172e   [ARC172E] Last 9 Digits 2 1 10
ATarc172f   [ARC172F] Walking 1 1 10
ATarc171a   [ARC171A] No Attacking 3 2 10
ATarc171b   [ARC171B] Chmax 63 14 7
ATarc171c   [ARC171C] Swap on Tree 60 11 8
ATarc171d   [ARC171D] Rolling Hash 42 3 9
ATarc171e   [ARC171E] Rookhopper's Tour 1 1 10
ATarc171f   [ARC171F] Both Reversible 1 1 10
ATarc170a   [ARC170A] Yet Another AB Problem 59 14 7
ATarc170b   [ARC170B] Arithmetic Progression Subsequence 1 1 10
ATarc170c   [ARC170C] Prefix Mex Sequence 1 1 10
ATarc170d   [ARC170D] Triangle Card Game 1 1 10
ATarc170e   [ARC170E] BDFS 1 1 10
ATarc170f   [ARC170F] Edge Deletion 2 1 1 10
ATarc169a   [ARC169A] Please Sign 1 1 10
ATarc169b   [ARC169B] Subsegments with Small Sums 3 1 10
ATarc169c   [ARC169C] Not So Consecutive 3 1 10
ATarc169d   [ARC169D] Add to Make a Permutation 2 1 10
ATarc169e   [ARC169E] Avoid Boring Matches 1 1 10
ATarc169f   [ARC169F] Large DP Table 2 1 10
ATarc168a   [ARC168A] <Inversion> 5 2 10
ATarc168b   [ARC168B] Arbitrary Nim 1 1 10
ATarc168c   [ARC168C] Swap Characters 1 1 10
ATarc168d   [ARC168D] Maximize Update 2 2 10
ATarc168e   [ARC168E] Subsegments with Large Sums 1 1 10
ATarc168f   [ARC168F] Up-Down Queries 1 1 10
ATarc167a   [ARC167A] Toasts for Breakfast Party 2 2 10
ATarc167b   [ARC167B] Product of Divisors 1 1 10
ATarc167c   [ARC167C] MST on Line++ 1 1 10
ATarc167d   [ARC167D] Good Permutation 1 1 10
ATarc167e   [ARC167E] One Square in a Triangle 1 0 10
ATarc167f   [ARC167F] Tree Tree Tree 1 1 10
ATarc166a   [ARC166A] Replace C or Swap AB 1 1 10
ATarc166b   [ARC166B] Make Multiples 1 1 10
ATarc166c   [ARC166C] LU / RD Marking 1 1 10
ATarc166d   [ARC166D] Interval Counts 1 1 10
ATarc166e   [ARC166E] Fizz Buzz Difference 1 1 10
ATarc166f   [ARC166F] Tangent Addition Formula 1 1 10
ATarc165a   [ARC165A] Sum equals LCM 44 15 6
ATarc165b   [ARC165B] Sliding Window Sort 2 41 6 8
ATarc165c   [ARC165C] Social Distance on Graph 27 5 8
ATarc165d   [ARC165D] Substring Comparison 80 3 10
ATarc165e   [ARC165E] Random Isolation 31 8 7
ATarc165f   [ARC165F] Make Adjacent 44 6 8
ATarc164a   [ARC164A] Ternary Decomposition 13 2 9
ATarc164b   [ARC164B] Switching Travel 1 1 10
ATarc164c   [ARC164C] Reversible Card Game 1 1 10
ATarc164d   [ARC164D] 1D Coulomb 2 1 10
ATarc164e   [ARC164E] Segment-Tree Optimization 1 1 10
ATarc164f   [ARC164F] Subtree Reversi 1 1 10
ATarc163a   [ARC163A] Divide String 1 1 10
ATarc163b   [ARC163B] Favorite Game 1 1 10
ATarc163c   [ARC163C] Harmonic Mean 3 3 10
ATarc163d   [ARC163D] Sum of SCC 1 1 10
ATarc163e   [ARC163E] Chmin XOR Game 1 1 10
ATarc163f   [ARC163F] Many Increasing Problems 1 1 10
ATarc162a   [ARC162A] Ekiden Race 1 1 10
ATarc162b   [ARC162B] Insertion Sort 2 1 0 10
ATarc162c   [ARC162C] Mex Game on Tree 1 1 10
ATarc162d   [ARC162D] Smallest Vertices 1 1 10
ATarc162e   [ARC162E] Strange Constraints 1 1 10
ATarc162f   [ARC162F] Montage 1 1 10
ATarc161a   [ARC161A] Make M 1 1 10
ATarc161b   [ARC161B] Exactly Three Bits 2 2 10
ATarc161c   [ARC161C] Dyed by Majority (Odd Tree) 8 3 10
ATarc161d   [ARC161D] Everywhere is Sparser than Whole (Construction) 1 0 10
ATarc161e   [ARC161E] Not Dyed by Majority (Cubic Graph) 4 0 10
ATarc161f   [ARC161F] Everywhere is Sparser than Whole (Judge) 1 1 10
ATarc160a   [ARC160A] Reverse and Count 1 1 10
ATarc160b   [ARC160B] Triple Pair 1 1 10
ATarc160c   [ARC160C] Power Up 1 1 10
ATarc160d   [ARC160D] Mahjong 1 1 10
ATarc160e   [ARC160E] Make Biconnected 1 0 10
ATarc160f   [ARC160F] Count Sorted Arrays 1 1 10
ATarc159a   [ARC159A] Copy and Paste Graph 1 1 10
ATarc159b   [ARC159B] GCD Subtraction 1 1 10
ATarc159c   [ARC159C] Permutation Addition 1 0 10
ATarc159d   [ARC159D] LIS 2 10 3 10
ATarc159e   [ARC159E] Difference Sum Query 2 2 10
ATarc159f   [ARC159F] Good Division 1 1 10
ATarc158a   [ARC158A] +3 +5 +7 10 4 9
ATarc158b   [ARC158B] Sum-Product Ratio 1 1 10
ATarc158c   [ARC158C] All Pair Digit Sums 2 2 10
ATarc158d   [ARC158D] Equation 1 1 10
ATarc158e   [ARC158E] All Pair Shortest Paths 1 1 10
ATarc158f   [ARC158F] Random Radix Sort 1 1 10
ATarc157a   [ARC157A] XXYYX 3 1 10
ATarc157b   [ARC157B] XYYYX 1 1 10
ATarc157c   [ARC157C] YY Square 1 1 10
ATarc157d   [ARC157D] YY Garden 1 1 10
ATarc157e   [ARC157E] XXYX Binary Tree 1 1 10
ATarc157f   [ARC157F] XY Ladder LCS 3 2 10
ATarc156a   [ARC156A] Non-Adjacent Flip 1 1 10
ATarc156b   [ARC156B] Mex on Blackboard 3 2 10
ATarc156c   [ARC156C] Tree and LCS 1 0 10
ATarc156d   [ARC156D] Xor Sum 5 1 1 10
ATarc156e   [ARC156E] Non-Adjacent Matching 1 1 10
ATarc156f   [ARC156F] Make Same Set 5 3 10
ATarc155a   [ARC155A] ST and TS Palindrome 1 1 10
ATarc155b   [ARC155B] Abs Abs Function 1 1 10
ATarc155c   [ARC155C] Even Sum Triplet 1 1 10
ATarc155d   [ARC155D] Avoid Coprime Game 1 1 10
ATarc155e   [ARC155E] Split and Square 1 1 10
ATarc155f   [ARC155F] Directable as Desired 5 2 10
ATarc154a   [ARC154A] Swap Digit 1 1 10
ATarc154b   [ARC154B] New Place 1 1 10
ATarc154c   [ARC154C] Roller 1 1 10
ATarc154d   [ARC154D] A + B > C ? 1 0 10
ATarc154e   [ARC154E] Reverse and Inversion 1 1 10
ATarc154f   [ARC154F] Dice Game 2 2 10
ATarc153a   [ARC153A] AABCDDEFE 1 1 10
ATarc153b   [ARC153B] Grid Rotations 1 1 10
ATarc153c   [ARC153C] ± Increasing Sequence 5 2 10
ATarc153d   [ARC153D] Sum of Sum of Digits 1 1 10
ATarc153e   [ARC153E] Deque Minimization 1 1 10
ATarc153f   [ARC153F] Tri-Colored Paths 1 1 10
ATarc152a   [ARC152A] Seat Occupation 12 5 9
ATarc152b   [ARC152B] Pass on Path 1 1 10
ATarc152c   [ARC152C] Pivot 1 1 10
ATarc152d   [ARC152D] Halftree 1 0 10
ATarc152e   [ARC152E] Xor Annihilation 2 2 10
ATarc152f   [ARC152F] Attraction on Tree 1 1 10
ATarc151a   [ARC151A] Equal Hamming Distances 1 1 10
ATarc151b   [ARC151B] A < AP 1 1 10
ATarc151c   [ARC151C] 01 Game 1 1 10
ATarc151d   [ARC151D] Binary Representations and Queries 1 1 10
ATarc151e   [ARC151E] Keep Being Substring 1 1 10
ATarc151f   [ARC151F] RGB Card Game 1 1 10
ATarc150a   [ARC150A] Continuous 1 1 1 10
ATarc150b   [ARC150B] Make Divisible 14 4 9
ATarc150c   [ARC150C] Path and Subsequence 1 1 10
ATarc150d   [ARC150D] Removing Gacha 1 1 10
ATarc150e   [ARC150E] Weathercock 1 1 10
ATarc150f   [ARC150F] Constant Sum Subsequence 1 1 10
ATarc149a   [ARC149A] Repdigit Number 1 1 10
ATarc149b   [ARC149B] Two LIS Sum 5 2 10
ATarc149c   [ARC149C] Avoid Prime Sum 1 1 10
ATarc149d   [ARC149D] Simultaneous Sugoroku 1 1 10
ATarc149e   [ARC149E] Sliding Window Sort 1 1 10
ATarc149f   [ARC149F] Rational Number System 1 1 10
ATarc148a   [ARC148A] mod M 1 1 10
ATarc148b   [ARC148B] dp 1 1 10
ATarc148c   [ARC148C] Lights Out on Tree 1 1 10
ATarc148d   [ARC148D] mod M Game 1 1 10
ATarc148e   [ARC148E] ≥ K 1 1 10
ATarc148f   [ARC148F] 998244353 → 1000000007 7 0 10
ATarc147a   [ARC147A] Max Mod Min 1 1 10
ATarc147b   [ARC147B] Swap to Sort 1 1 10
ATarc147c   [ARC147C] Min Diff Sum 1 1 10
ATarc147d   [ARC147D] Sets Scores 1 1 10
ATarc147e   [ARC147E] Examination 1 1 10
ATarc147f   [ARC147F] Again ABC String 1 1 10
ATarc146a   [ARC146A] Three Cards 1 1 10
ATarc146b   [ARC146B] Plus and AND 1 1 10
ATarc146c   [ARC146C] Even XOR 1 1 10
ATarc146d   [ARC146D] >=< 1 1 10
ATarc146e   [ARC146E] Simple Speed 1 1 10
ATarc146f   [ARC146F] Simple Solitaire 1 1 10
ATarc145a   [ARC145A] AB Palindrome 1 1 10
ATarc145b   [ARC145B] AB Game 1 1 10
ATarc145c   [ARC145C] Split and Maximize 1 1 10
ATarc145d   [ARC145D] Non Arithmetic Progression Set 1 0 10
ATarc145e   [ARC145E] Adjacent XOR 1 1 10
ATarc145f   [ARC145F] Modulo Sum of Increasing Sequences 1 1 10
ATarc144a   [ARC144A] Digit Sum of 2x 22 14 5
ATarc144b   [ARC144B] Gift Tax 1 1 10
ATarc144c   [ARC144C] K Derangement 5 1 10
ATarc144d   [ARC144D] AND OR Equation 1 1 10
ATarc144e   [ARC144E] GCD of Path Weights 1 1 10
ATarc144f   [ARC144F] Arithmetic Sequence Nim 1 1 10
ATarc143a   [ARC143A] Three Integers 8 4 10
ATarc143b   [ARC143B] Counting Grids 1 1 10
ATarc143c   [ARC143C] Piles of Pebbles 1 1 10
ATarc143d   [ARC143D] Bridges 2 1 10
ATarc143e   [ARC143E] Reversi 1 1 10
ATarc143f   [ARC143F] Counting Subsets 1 1 10
ATarc142a   [ARC142A] Reverse and Minimize 2 1 10
ATarc142b   [ARC142B] Unbalanced Squares 1 1 10
ATarc142c   [ARC142C] Tree Queries 1 0 10
ATarc142d   [ARC142D] Deterministic Placing 1 1 10
ATarc142e   [ARC142E] Pairing Wizards 1 1 10
ATarc142f   [ARC142F] Paired Wizards 1 1 10
ATarc141a   [ARC141A] Periodic Number 2 1 10
ATarc141b   [ARC141B] Increasing Prefix XOR 4 1 10
ATarc141c   [ARC141C] Bracket and Permutation 0 0 (无)
ATarc141d   [ARC141D] Non-divisible Set 0 0 (无)
ATarc141e   [ARC141E] Sliding Edge on Torus 0 0 (无)
ATarc141f   [ARC141F] Well-defined Abbreviation 0 0 (无)
ATarc140a   [ARC140A] Right String 1 1 10
ATarc140b   [ARC140B] Shorten ARC 1 1 10
ATarc140c   [ARC140C] ABS Permutation (LIS ver.) 1 1 10
ATarc140d   [ARC140D] One to One 1 1 10
ATarc140e   [ARC140E] Not Equal Rectangle 1 1 10
ATarc140f   [ARC140F] ABS Permutation (Count ver.) 1 1 10
ATarc139a   [ARC139A] Trailing Zeros 40 7 8
ATarc139b   [ARC139B] Make N 1 1 10
ATarc139c   [ARC139C] One Three Nine 1 1 10
ATarc139d   [ARC139D] Priority Queue 2 1 1 10
ATarc139e   [ARC139E] Wazir 1 1 10
ATarc139f   [ARC139F] Many Xor Optimization Problems 1 1 10
ATarc138a   [ARC138A] Larger Score 1 1 10
ATarc138b   [ARC138B] 01 Generation 1 1 10
ATarc138c   [ARC138C] Rotate and Play Game 3 3 10
ATarc138d   [ARC138D] Differ by K bits 2 2 10
ATarc138e   [ARC138E] Decreasing Subsequence 4 3 10
ATarc138f   [ARC138F] KD Tree 1 1 10
ATarc137a   [ARC137A] Coprime Pair 3 2 10
ATarc137b   [ARC137B] Count 1's 1 1 10
ATarc137c   [ARC137C] Distinct Numbers 1 1 10
ATarc137d   [ARC137D] Prefix XORs 1 1 10
ATarc137e   [ARC137E] Bakery 1 1 10
ATarc137f   [ARC137F] Overlaps 1 1 10
ATarc136a   [ARC136A] A ↔ BB 12 5 9
ATarc136b   [ARC136B] Triple Shift 1 1 10
ATarc136c   [ARC136C] Circular Addition 1 1 10
ATarc136d   [ARC136D] Without Carry 1 1 10
ATarc136e   [ARC136E] Non-coprime DAG 1 1 10
ATarc136f   [ARC136F] Flip Cells 3 3 10
ATarc135a   [ARC135A] Floor, Ceil - Decomposition 24 3 9
ATarc135b   [ARC135B] Sum of Three Terms 1 1 10
ATarc135c   [ARC135C] XOR to All 2 2 10
ATarc135d   [ARC135D] Add to Square 1 1 10
ATarc135e   [ARC135E] Sequence of Multiples 4 3 10
ATarc135f   [ARC135F] Delete 1, 4, 7, ... 4 3 10
ATarc134a   [ARC134A] Bridge and Sheets 6 3 10
ATarc134b   [ARC134B] Reserve or Reverse 1 1 10
ATarc134c   [ARC134C] The Majority 3 2 10
ATarc134d   [ARC134D] Concatenate Subsequences 1 1 10
ATarc134e   [ARC134E] Modulo Nim 1 1 10
ATarc134f   [ARC134F] Flipping Coins 5 3 10
ATarc133a   [ARC133A] Erase by Value 1 1 10
ATarc133b   [ARC133B] Dividing Subsequence 3 1 10
ATarc133c   [ARC133C] Row Column Sums 1 1 10
ATarc133d   [ARC133D] Range XOR 1 1 10
ATarc133e   [ARC133E] Cyclic Medians 1 1 10
ATarc133f   [ARC133F] Random Transition 2 1 10
ATarc132a   [ARC132A] Permutation Grid 2 2 10
ATarc132b   [ARC132B] Shift and Reverse 3 2 10
ATarc132c   [ARC132C] Almost Sorted 1 1 10
ATarc132d   [ARC132D] Between Two Binary Strings 2 1 10
ATarc132e   [ARC132E] Paw 2 1 10
ATarc132f   [ARC132F] Takahashi The Strongest 1 1 10
ATarc131a   [ARC131A] Two Lucky Numbers 19 11 6
ATarc131b   [ARC131B] Grid Repainting 4 11 10 8
ATarc131c   [ARC131C] Zero XOR 6 6 10
ATarc131d   [ARC131D] AtArcher 3 2 10
ATarc131e   [ARC131E] Christmas Wreath 5 2 10
ATarc131f   [ARC131F] ARC Stamp 2 2 10
ATarc130a   [ARC130A] Remove One Character 33 15 5
ATarc130b   [ARC130B] Colorful Lines 37 11 6
ATarc130c   [ARC130C] Digit Sum Minimization 53 9 8
ATarc130d   [ARC130D] Zigzag Tree 8 2 10
ATarc130e   [ARC130E] Increasing Minimum 4 2 10
ATarc130f   [ARC130F] Replace by Average 1 1 10
ATarc129a   [ARC129A] Smaller XOR 1 1 10
ATarc129b   [ARC129B] Range Point Distance 1 1 10
ATarc129c   [ARC129C] Multiple of 7 1 1 10
ATarc129d   [ARC129D] -1+2-1 1 1 10
ATarc129e   [ARC129E] Yet Another Minimization 1 1 10
ATarc129f   [ARC129F] Let's Play Tag 2 1 10
ATarc128a   [ARC128A] Gold and Silver 1 1 10
ATarc128b   [ARC128B] Balls of Three Colors 1 1 10
ATarc128c   [ARC128C] Max Dot 2 1 10
ATarc128d   [ARC128D] Neq Neq 2 1 10
ATarc128e   [ARC128E] K Different Values 1 1 10
ATarc128f   [ARC128F] Game against Robot 1 1 10
ATarc127a   [ARC127A] Leading 1s 1 1 10
ATarc127b   [ARC127B] Ternary Strings 1 1 10
ATarc127c   [ARC127C] Binary Strings 8 2 10
ATarc127d   [ARC127D] Sum of Min of Xor 1 1 10
ATarc127e   [ARC127E] Priority Queue 1 1 10
ATarc127f   [ARC127F] ±AB 1 1 10
ATarc126a   [ARC126A] Make 10 1 1 10
ATarc126b   [ARC126B] Cross-free Matching 1 1 10
ATarc126c   [ARC126C] Maximize GCD 1 1 10
ATarc126d   [ARC126D] Pure Straight 1 1 10
ATarc126e   [ARC126E] Infinite Operations 1 1 10
ATarc126f   [ARC126F] Affine Sort 2 1 10
ATarc125a   [ARC125A] Dial Up 1 1 10
ATarc125b   [ARC125B] Squares 1 1 10
ATarc125c   [ARC125C] LIS to Original Sequence 1 1 10
ATarc125d   [ARC125D] Unique Subsequence 1 1 10
ATarc125e   [ARC125E] Snack 1 1 10
ATarc125f   [ARC125F] Tree Degree Subset Sum 1 1 10
ATarc124a   [ARC124A] LR Constraints 1 1 10
ATarc124b   [ARC124B] XOR Matching 2 1 1 10
ATarc124c   [ARC124C] LCM of GCDs 1 1 10
ATarc124d   [ARC124D] Yet Another Sorting Problem 1 1 10
ATarc124e   [ARC124E] Pass to Next 1 1 10
ATarc124f   [ARC124F] Chance Meeting 2 1 10
ATarc123a   [ARC123A] Arithmetic Sequence 8 4 10
ATarc123b   [ARC123B] Increasing Triples 1 1 10
ATarc123c   [ARC123C] 1, 2, 3 - Decomposition 1 1 10
ATarc123d   [ARC123D] Inc, Dec - Decomposition 2 1 10
ATarc123e   [ARC123E] Training 1 1 10
ATarc123f   [ARC123F] Insert Addition 2 1 10
ATarc122a   [ARC122A] Many Formulae 1 1 10
ATarc122b   [ARC122B] Insurance 1 1 10
ATarc122c   [ARC122C] Calculator 1 1 10
ATarc122d   [ARC122D] XOR Game 1 1 10
ATarc122e   [ARC122E] Increasing LCMs 1 1 10
ATarc122f   [ARC122F] Domination 1 1 10
ATarc121a   [ARC121A] 2nd Greatest Distance 1 1 10
ATarc121b   [ARC121B] RGB Matching 1 1 10
ATarc121c   [ARC121C] Odd Even Sort 1 1 10
ATarc121d   [ARC121D] 1 or 2 1 1 10
ATarc121e   [ARC121E] Directed Tree 1 1 10
ATarc121f   [ARC121F] Logical Operations on Tree 1 1 10
ATarc120a   [ARC120A] Max Add 14 4 9
ATarc120b   [ARC120B] Uniformly Distributed 1 1 10
ATarc120c   [ARC120C] Swaps 2 1 1 10
ATarc120d   [ARC120D] Bracket Score 2 1 1 10
ATarc120e   [ARC120E] 1D Party 1 1 10
ATarc120f   [ARC120F] Wine Thief 1 1 10
ATarc120f2   [ARC120F2] Wine Thief 1 1 10
ATarc119a   [ARC119A] 119 × 2^23 + 1 11 5 9
ATarc119b   [ARC119B] Electric Board 1 1 10
ATarc119c   [ARC119C] ARC Wrecker 2 1 1 10
ATarc119d   [ARC119D] Grid Repainting 3 2 1 10
ATarc119e   [ARC119E] Pancakes 1 1 10
ATarc119f   [ARC119F] AtCoder Express 3 1 1 10
ATarc118a   [ARC118A] Tax Included Price 1 1 10
ATarc118b   [ARC118B] Village of M People 1 1 10
ATarc118c   [ARC118C] Coprime Set 1 1 10
ATarc118d   [ARC118D] Hamiltonian Cycle 1 1 10
ATarc118e   [ARC118E] Avoid Permutations 1 1 10
ATarc118f   [ARC118F] Growth Rate 1 1 10
ATarc117a   [ARC117A] God Sequence 9 4 9
ATarc117b   [ARC117B] ARC Wrecker 1 1 10
ATarc117c   [ARC117C] Tricolor Pyramid 1 1 10
ATarc117d   [ARC117D] Miracle Tree 3 1 10
ATarc117e   [ARC117E] Zero-Sum Ranges 2 1 1 10
ATarc117f   [ARC117F] Gateau 1 1 10
ATarc116a   [ARC116A] Odd vs Even 11 5 9
ATarc116b   [ARC116B] Products of Min-Max 1 1 10
ATarc116c   [ARC116C] Multiple Sequences 1 1 10
ATarc116d   [ARC116D] I Wanna Win The Game 1 1 10
ATarc116e   [ARC116E] Spread of Information 14 6 8
ATarc116f   [ARC116F] Deque Game 1 1 10
ATarc115a   [ARC115A] Two Choices 1 1 10
ATarc115b   [ARC115B] Plus Matrix 4 1 10
ATarc115c   [ARC115C] ℕ Coloring 1 1 10
ATarc115d   [ARC115D] Odd Degree 1 1 10
ATarc115e   [ARC115E] LEQ and NEQ 1 1 10
ATarc115f   [ARC115F] Migration 2 1 10
ATarc114a   [ARC114A] Not coprime 1 1 10
ATarc114b   [ARC114B] Special Subsets 1 1 10
ATarc114c   [ARC114C] Sequence Scores 1 1 10
ATarc114d   [ARC114D] Moving Pieces on Line 1 1 10
ATarc114e   [ARC114E] Paper Cutting 2 1 1 10
ATarc114f   [ARC114F] Permutation Division 1 1 10
ATarc113a   [ARC113A] A*B*C 17 13 5
ATarc113b   [ARC113B] A^B^C 49 18 5
ATarc113c   [ARC113C] String Invasion 1 1 10
ATarc113d   [ARC113D] Sky Reflector 1 1 10
ATarc113e   [ARC113E] Rvom and Rsrev 1 1 10
ATarc113f   [ARC113F] Social Distance 1 1 10
ATarc112a   [ARC112A] B = C 12 6 9
ATarc112b   [ARC112B] -- - B 1 1 10
ATarc112c   [ARC112C] DFS Game 1 1 10
ATarc112d   [ARC112D] Skate 1 1 10
ATarc112e   [ARC112E] Cigar Box 1 1 10
ATarc112f   [ARC112F] Die Siedler 1 1 10
ATarc111a   [ARC111A] Simple Math 2 1 1 10
ATarc111b   [ARC111B] Reversible Cards 1 1 10
ATarc111c   [ARC111C] Too Heavy 1 1 10
ATarc111d   [ARC111D] Orientation 1 1 10
ATarc111e   [ARC111E] Simple Math 3 2 1 10
ATarc111f   [ARC111F] Do you like query problems? 1 1 10
ATarc110a   [ARC110A] Redundant Redundancy 15 4 9
ATarc110b   [ARC110B] Many 110 1 1 10
ATarc110c   [ARC110C] Exoswap 1 1 10
ATarc110d   [ARC110D] Binomial Coefficient is Fun 1 1 10
ATarc110e   [ARC110E] Shorten ABC 1 1 10
ATarc110f   [ARC110F] Esoswap 1 1 10
ATarc109a   [ARC109A] Hands 8 3 10
ATarc109b   [ARC109B] log 1 1 10
ATarc109c   [ARC109C] Large RPS Tournament 1 1 10
ATarc109d   [ARC109D] く 1 1 10
ATarc109e   [ARC109E] 1D Reversi Builder 1 1 10
ATarc109f   [ARC109F] 1D Kingdom Builder 1 1 10
ATarc108a   [ARC108A] Sum and Product 48 11 7
ATarc108b   [ARC108B] Abbreviate Fox 1 1 10
ATarc108c   [ARC108C] Keep Graph Connected 1 1 10
ATarc108d   [ARC108D] AB 2 1 10
ATarc108e   [ARC108E] Random IS 1 1 10
ATarc108f   [ARC108F] Paint Tree 1 1 10
ATarc107a   [ARC107A] Simple Math 6 3 10
ATarc107b   [ARC107B] Quadruple 2 1 10
ATarc107c   [ARC107C] Shuffle Permutation 2 1 10
ATarc107d   [ARC107D] Number of Multisets 2 1 10
ATarc107e   [ARC107E] Mex Mat 2 1 10
ATarc107f   [ARC107F] Sum of Abs 3 1 10
ATarc106a   [ARC106A] 106 29 5 8
ATarc106b   [ARC106B] Values 1 1 10
ATarc106c   [ARC106C] Solutions 3 1 10
ATarc106d   [ARC106D] Powers 1 1 10
ATarc106e   [ARC106E] Medals 1 1 10
ATarc106f   [ARC106F] Figures 1 1 10
ATarc105a   [ARC105A] Fourtune Cookies 32 16 5
ATarc105b   [ARC105B] MAX-=min 1 1 10
ATarc105c   [ARC105C] Camels and Bridge 1 1 10
ATarc105d   [ARC105D] Let's Play Nim 1 1 10
ATarc105e   [ARC105E] Keep Graph Disconnected 1 1 10
ATarc105f   [ARC105F] Lights Out on Connected Graph 6 3 10
ATarc104a   [ARC104A] Plus Minus 34 19 4
ATarc104b   [ARC104B] DNA Sequence 2 1 10
ATarc104c   [ARC104C] Fair Elevator 1 1 10
ATarc104d   [ARC104D] Multiset Mean 1 1 10
ATarc104e   [ARC104E] Random LIS 1 1 10
ATarc104f   [ARC104F] Visibility Sequence 1 1 10
ATarc103a   [ABC111C] /\/\/\/ 1 1 10
ATarc103b   [ABC111D] Robot Arms 3 1 10
ATarc103c   [ARC103E] Tr/ee 5 1 10
ATarc103d   [ARC103F] Distance Sums 3 1 10
ATarc102a   [ABC108C] Triangular Relationship 1 1 10
ATarc102b   [ABC108D] All Your Paths are Different Lengths 7 2 10
ATarc102c   [ARC102E] Stop. Otherwise... 1 1 10
ATarc102d   [ARC102F] Revenge of BBuBBBlesort! 1 1 10
ATarc101a   [ABC107C] Candles 1 1 10
ATarc101b   [ABC107D] Median of Medians 1 1 10
ATarc101c   [ARC101E] Ribbons on Tree 1 1 10
ATarc101d   [ARC101F] Robots and Exits 1 1 10
ATarc100a   [ABC102C] Linear Approximation 1 1 10
ATarc100b   [ABC102D] Equal Cut 1 1 10
ATarc100c   [ARC100E] Or Plus Max 1 1 10
ATarc100d   [ARC100F] Colorful Sequences 1 1 10
ATarc099a   [ABC101C] Minimization 2 1 10
ATarc099b   [ABC101D] Snuke Numbers 2 1 10
ATarc099c   [ARC099E] Independence 1 1 10
ATarc099d   [ARC099F] Eating Symbols Hard 1 1 10
ATarc098a   [ABC098C] Attention 1 1 10
ATarc098b   A20*【双指针】[ABC098D] Xor Sum 2 38 13 6
ATarc098c   [ARC098E] Range Minimum Queries 1 1 10
ATarc098d   [ARC098F] Donation 2 1 10
ATarc097a   [ABC097C] K-th Substring 1 1 10
ATarc097b   [ABC097D] Equals 1 1 10
ATarc097c   [ARC097E] Sorted and Sorted 1 1 10
ATarc097d   [ARC097F] Monochrome Cat 1 1 10
ATarc096a   [ABC095C] Half and Half 14 11 7
ATarc096b   [ABC095D] Static Sushi 1 1 10
ATarc096c   [ARC096E] Everything on It 2 1 10
ATarc096d   [ARC096F] Sweet Alchemy 2 1 10
ATarc095a   [ABC094C] Many Medians 2 1 10
ATarc095b   [ABC094D] Binomial Coefficients 1 1 10
ATarc095c   [ARC095E] Symmetric Grid 2 1 10
ATarc095d   [ARC095F] Permutation Tree 1 1 10
ATarc094a   [ABC093C] Same Integers 1 1 10
ATarc094b   [ABC093D] Worst Case 2 1 10
ATarc094c   [ARC094E] Tozan and Gezan 1 1 10
ATarc094d   [ARC094F] Normalization 1 1 10
ATarc093a   [ABC092C] Traveling Plan 1 1 10
ATarc093b   [ABC092D] Grid Components 2 1 10
ATarc093c   [ARC093E] Bichrome Spanning Tree 1 1 10
ATarc093d   [ARC093F] Dark Horse 1 1 10
ATarc092a   [ABC091C] 2D Plane 2N Points 1 1 10
ATarc092b   [ABC091D] Two Sequences 1 1 10
ATarc092c   [ARC092E] Both Sides Merger 2 1 10
ATarc092d   [ARC092F] Two Faced Edges 1 1 10
ATarc091a   [ABC090C] Flip,Flip, and Flip...... 1 1 10
ATarc091b   [ABC090D] Remainder Reminder 1 1 10
ATarc091c   [ARC091E] LISDL 1 1 10
ATarc091d   [ARC091F] Strange Nim 1 1 10
ATarc090a   [ABC087C] Candies 1 1 10
ATarc090b   [ABC087D] People on a Line 1 1 10
ATarc090c   [ARC090E] Avoiding Collision 1 1 10
ATarc090d   [ARC090F] Number of Digits 1 1 10
ATarc089a   [ABC086C] Traveling 26 12 6
ATarc089b   [ABC086D] Checker 2 1 10
ATarc089c   [ARC089E] GraphXY 2 1 10
ATarc089d   [ARC089F] ColoringBalls 1 1 10
ATarc088a   [ABC083C] Multiple Gift 25 11 6
ATarc088b   [ABC083D] Wide Flip 4 2 10
ATarc088c   [ARC088E] Papple Sort 1 1 10
ATarc088d   [ARC088F] Christmas Tree 1 1 10
ATarc087a   [ABC082C] Good Sequence 6 4 10
ATarc087b   [ABC082D] FT Robot 1 1 10
ATarc087c   [ARC087E] Prefix-free Game 1 1 10
ATarc087d   [ARC087F] Squirrel Migration 1 1 10
ATarc086a   [ABC081C] Not so Diverse 16 9 7
ATarc086b   [ABC081D] Non-decreasing 1 1 10
ATarc086c   [ARC086E] Smuggling Marbles 1 1 10
ATarc086d   [ARC086F] Shift and Decrement 3 1 10
ATarc085a   [ABC078C] HSI 1 1 10
ATarc085b   [ABC078D] ABS 1 1 10
ATarc085c   [ARC085E] MUL 1 1 10
ATarc085d   [ARC085F] NRE 3 1 10
ATarc084a   [ABC077C] Snuke Festival 5 2 10
ATarc084b   D125 同余最短路 Dijkstra 算法[ABC077D] Small Multiple 1 1 10
ATarc084c   [ARC084E] Finite Encyclopedia of Integer Sequences 1 1 10
ATarc084d   [ARC084F] XorShift 1 1 10
ATarc083a   [ABC074C] Sugar Water 1 1 10
ATarc083b   [ABC074D] Restoring Road Network 3 2 10
ATarc083c   [ARC083E] Bichrome Tree 1 1 10
ATarc083d   [ARC083F] Collecting Balls 1 1 10
ATarc082a   [ABC072C] Together 1 1 10
ATarc082b   [ABC072D] Derangement 1 1 10
ATarc082c   [ARC082E] ConvexScore 1 1 10
ATarc082d   [ARC082F] Sandglass 1 1 10
ATarc081a   [ABC071C] Make a Rectangle 1 1 10
ATarc081b   [ABC071D] Coloring Dominoes 1 1 10
ATarc081c   [ARC081E] Don't Be a Subsequence 1 1 10
ATarc081d   [ARC081F] Flip and Rectangles 3 1 10
ATarc080a   [ABC069C] 4-adjacent 14 4 9
ATarc080b   [ABC069D] Grid Coloring 1 1 10
ATarc080c   [ARC080E] Young Maids 2 1 10
ATarc080d   [ARC080F] Prime Flip 1 1 10
ATarc079a   [ABC068C] Cat Snuke and a Voyage 1 1 10
ATarc079b   [ABC068D] Decrease (Contestant ver.) 3 3 10
ATarc079c   [ARC079E] Decrease (Judge ver.) 1 1 10
ATarc079d   [ARC079F] Namori Grundy 1 1 10
ATarc078a   [ABC067C] Splitting Pile 13 5 9
ATarc078b   [ABC067D] Fennec VS. Snuke 1 1 10
ATarc078c   [ARC078E] Awkward Response 1 1 10
ATarc078d   [ARC078F] Mole and Abandoned Mine 1 1 10
ATarc077a   [ABC066C] pushpush 8 7 9
ATarc077b   [ABC066D] 11 3 1 10
ATarc077c   [ARC077E] guruguru 3 1 10
ATarc077d   [ARC077F] SS 1 1 10
ATarc076a   [ABC065C] Reconciled? 1 1 10
ATarc076b   [ABC065D] Built? 1 1 10
ATarc076c   [ARC076E] Connected? 1 1 10
ATarc076d   [ARC076F] Exhausted? 1 1 10
ATarc075a   [ABC063C] Bugged 1 1 10
ATarc075b   [ABC063D] Widespread 1 1 10
ATarc075c   [ARC075E] Meaningful Mean 1 1 10
ATarc075d   [ARC075F] Mirrored 1 1 10
ATarc074a   [ABC062C] Chocolate Bar 1 1 10
ATarc074b   [ABC062D] 3N Numbers 1 1 10
ATarc074c   [ARC074E] RGB Sequence 1 1 10
ATarc074d   [ARC074F] Lotus Leaves 1 1 10
ATarc073a   [ABC060C] Sentou 1 1 10
ATarc073b   [ABC060D] Simple Knapsack 1 1 10
ATarc073c   [ARC073E] Ball Coloring 1 1 10
ATarc073d   [ARC073F] Many Moves 2 1 10
ATarc072a   [ABC059C] Sequence 1 1 10
ATarc072b   [ABC059D] Alice&Brown 1 1 10
ATarc072c   [ARC072E] Alice in linear land 1 1 10
ATarc072d   [ARC072F] Dam 1 1 10
ATarc071a   [ABC058C] 怪文書 8 7 9
ATarc071b   [ABC058D] ### 1 1 10
ATarc071c   [ARC071E] TrBBnsformBBtion 1 1 10
ATarc071d   [ARC071F] Infinite Sequence 1 1 10
ATarc070a   [ABC056C] Go Home 1 1 10
ATarc070b   [ABC056D] No Need 1 1 10
ATarc070c   [ARC070E] NarrowRectangles 1 1 10
ATarc070d   [ARC070F] HonestOrUnkind 1 0 10
ATarc069a   [ABC055C] Scc Puzzle 16 4 9
ATarc069b   [ABC055D] Menagerie 4 1 10
ATarc069c   [ARC069E] Frequency 1 1 10
ATarc069d   D46 2-SAT+线段树优化+二分 [ARC069F] Flags 1 1 10
ATarc068a   [ABC053C] X: Yet Another Die Game 1 1 10
ATarc068b   [ABC053D] Card Eater 1 1 10
ATarc068c   [ARC068E] Snuke Line 1 1 10
ATarc068d   [ARC068F] Solitaire 1 1 10
ATarc067a   [ABC052C] Factors of Factorial 1 1 10
ATarc067b   [ABC052D] Walk and Teleport 1 1 10
ATarc067c   [ARC067E] Grouping 1 1 10
ATarc067d   [ARC067F] Yakiniku Restaurants 1 1 10
ATarc066a   [ABC050C] Lining Up 1 1 10
ATarc066b   [ABC050D] Xor Sum 1 1 10
ATarc066c   [ARC066E] Addition and Subtraction Hard 1 1 10
ATarc066d   [ARC066F] Contest with Drinks Hard 1 1 10
ATarc065a   [ABC049C] 白昼夢 1 1 10
ATarc065b   [ABC049D] 連結 5 1 10
ATarc065c   [ARC065E] へんなコンパス 1 1 10
ATarc065d   [ARC065F] シャッフル 1 1 10
ATarc064a   [ABC048C] Boxes and Candies 2 1 10
ATarc064b   [ABC048D] An Ordinary Game 1 1 10
ATarc064c   [ARC064E] Cosmic Rays 1 1 10
ATarc064d   [ARC064F] Rotated Palindromes 1 1 10
ATarc063a   [ABC047C] 一次元リバーシ 1 1 10
ATarc063b   [ABC047D] 高橋君と見えざる手 1 1 10
ATarc063c   [ARC063E] 木と整数 1 1 10
ATarc063d   [ARC063F] すぬけ君の塗り絵 2 1 1 10
ATarc062a   [ABC046C] AtCoDeerくんと選挙速報 1 1 10
ATarc062b   [ABC046D] AtCoDeerくんと変なじゃんけん 1 1 10
ATarc062c   [ARC062E] AtCoDeerくんと立方体づくり 1 1 10
ATarc062d   [ARC062F] AtCoDeerくんとグラフ色塗り 4 3 10
ATarc061a   [ABC045C] たくさんの数式 2 2 10
ATarc061b   [ABC045D] すぬけ君の塗り絵 1 1 10
ATarc061c   [ARC061E] すぬけ君の地下鉄旅行 16 1 10
ATarc061d   [ARC061F] 3人でカードゲーム 1 1 10
ATarc060a   [ABC044C] 高橋君とカード（高桥和卡片） 19 13 5
ATarc060b   [ABC044D] 桁和 56 12 7
ATarc060c   [ARC060E] 高橋君とホテル 53 13 7
ATarc060d   [ARC060F] 最良表現 22 9 7
ATarc059a   [ARC059C] いっしょ 2 2 10
ATarc059b   [ARC059D] アンバランス 2 2 10
ATarc059c   [ARC059E] キャンディーとN人の子供 2 2 10
ATarc059d   [ARC059F] バイナリハック 1 1 10
ATarc058a   [ARC058C] こだわり者いろはちゃん 4 2 10
ATarc058b   [ARC058D] いろはちゃんとマス目 4 3 10
ATarc058c   [ARC058E] 和風いろはちゃん 1 1 10
ATarc058d   [ARC058F] 文字列大好きいろはちゃん 3 3 10
 
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