紫 省选/NOI−

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-std=c++11

章节 1. AT(省选/NOI−)

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题目 尝试 AC 难度
ATabc376g   [ABC376G] Treasure Hunting 0 0 (无)
ATabc374g   [ABC374G] Only One Product Name 0 0 (无)
ATabc373g   [ABC373G] No Cross Matching 0 0 (无)
ATabc365f   [ABC365F] Takahashi on Grid 0 0 (无)
ATabc364g   [ABC364G] Last Major City 0 0 (无)
ATabc361g   [ABC361G] Go Territory 0 0 (无)
ATabc356g   [ABC356G] Freestyle 0 0 (无)
ATabc355g   [ABC355G] Baseball 0 0 (无)
ATabc354g   [ABC354G] Select Strings 0 0 (无)
ATabc352g   [ABC352G] Socks 3 0 0 (无)
ATabc351g   [ABC351G] Hash on Tree 0 0 (无)
ATabc349g   [ABC349G] Palindrome Construction 0 0 (无)
ATabc348g   [ABC348G] Max (Sum - Max) 0 0 (无)
ATabc347g   [ABC347G] Grid Coloring 2 0 0 (无)
ATabc344g   [ABC344G] Points and Comparison 0 0 (无)
ATabc340g   [ABC340G] Leaf Color 0 0 (无)
ATabc338g   [ABC338G] evall 0 0 (无)
ATabc336g   [ABC336G] 16 Integers 0 0 (无)
ATabc335g   [ABC335G] Discrete Logarithm Problems 0 0 (无)
ATabc333g   [ABC333G] Nearest Fraction 0 0 (无)
ATabc332g   [ABC332G] Not Too Many Balls 0 0 (无)
ATabc329g   [ABC329G] Delivery on Tree 0 0 (无)
ATabc327g   [ABC327G] Many Good Tuple Problems 0 0 (无)
ATabc326g   [ABC326G] Unlock Achievement 0 0 (无)
ATabc324g   [ABC324G] Generate Arrays 0 0 (无)
ATabc322g   [ABC322G] Two Kinds of Base 0 0 (无)
ATabc320g   [ABC320G] Slot Strategy 2 (Hard) 0 0 (无)
ATabc319f   [ABC319F] Fighter Takahashi 0 0 (无)
ATabc318h   [ABC318Ex] Count Strong Test Cases 0 0 (无)
ATabc317g   [ABC317G] Rearranging 0 0 (无)
ATabc315h   [ABC315Ex] Typical Convolution Problem 0 0 (无)
ATabc314h   [ABC314Ex] Disk and Segments 0 0 (无)
ATabc313f   [ABC313F] Flip Machines 0 0 (无)
ATabc313g   [ABC313G] Redistribution of Piles 0 0 (无)
ATabc313h   [ABC313Ex] Group Photo 0 0 (无)
ATabc310g   [ABC310G] Takahashi And Pass-The-Ball Game 0 0 (无)
ATabc309g   [ABC309G] Ban Permutation 0 0 (无)
ATabc308h   [ABC308Ex] Make Q 0 0 (无)
ATabc307h   [ABC307Ex] Marquee 0 0 (无)
ATabc306g   [ABC306G] Return to 1 0 0 (无)
ATabc304h   [ABC304Ex] Constrained Topological Sort 0 0 (无)
ATabc303h   [ABC303Ex] Constrained Tree Degree 0 0 (无)
ATabc302h   [ABC302Ex] Ball Collector 0 0 (无)
ATabc301f   [ABC301F] Anti-DDoS 0 0 (无)
ATabc301h   [ABC301Ex] Difference of Distance 0 0 (无)
ATabc298g   [ABC298G] Strawberry War 0 0 (无)
ATabc296h   [ABC296Ex] Unite 0 0 (无)
ATabc295h   [ABC295Ex] E or m 0 0 (无)
ATabc293h   [ABC293Ex] Optimal Path Decomposition 0 0 (无)
ATabc291g   [ABC291G] OR Sum 0 0 (无)
ATabc291h   [ABC291Ex] Balanced Tree 0 0 (无)
ATabc288g   [ABC288G] 3^N Minesweeper 0 0 (无)
ATabc286h   [ABC286Ex] Don't Swim 0 0 (无)
ATabc285g   [ABC285G] Tatami 0 0 (无)
ATabc282h   [ABC282Ex] Min + Sum 0 0 (无)
ATabc280g   [ABC280G] Do Use Hexagon Grid 2 0 0 (无)
ATabc279g   [ABC279G] At Most 2 Colors 0 0 (无)
ATabc278g   [ABC278G] Generalized Subtraction Game 0 0 (无)
ATabc277f   [ABC277F] Sorting a Matrix 0 0 (无)
ATabc277h   [ABC277Ex] Constrained Sums 0 0 (无)
ATabc276g   [ABC276G] Count Sequences 0 0 (无)
ATabc275g   [ABC275G] Infinite Knapsack 0 0 (无)
ATabc274g   [ABC274G] Security Camera 3 0 0 (无)
ATabc272f   [ABC272F] Two Strings 0 0 (无)
ATabc270h   [ABC270Ex] add 1 0 0 (无)
ATabc269g   [ABC269G] Reversible Cards 2 0 0 (无)
ATabc267g   [ABC267G] Increasing K Times 0 0 (无)
ATabc267h   [ABC267Ex] Odd Sum 0 0 (无)
ATabc266h   [ABC266Ex] Snuke Panic (2D) 0 0 (无)
ATabc265f   [ABC265F] Manhattan Cafe 0 0 (无)
ATabc264h   [ABC264Ex] Perfect Binary Tree 0 0 (无)
ATabc261g   [ABC261G] Replace 0 0 (无)
ATabc261h   [ABC261Ex] Game on Graph 0 0 (无)
ATabc259g   [ABC259G] Grid Card Game 0 0 (无)
ATabc259h   [ABC259Ex] Yet Another Path Counting 0 0 (无)
ATabc258h   [ABC258Ex] Odd Steps 0 0 (无)
ATabc256h   [ABC256Ex] I like Query Problem 0 0 (无)
ATabc255g   [ABC255G] Constrained Nim 0 0 (无)
ATabc254g   [ABC254G] Elevators 0 0 (无)
ATabc254h   [ABC254Ex] Multiply or Divide by 2 0 0 (无)
ATabc253h   [ABC253Ex] We Love Forest 0 0 (无)
ATabc251g   [ABC251G] Intersection of Polygons 0 0 (无)
ATabc250h   [ABC250Ex] Trespassing Takahashi 0 0 (无)
ATarc183d   [ARC183D] Keep Perfectly Matched 0 0 (无)
ATarc183e   [ARC183E] Ascendant Descendant 0 0 (无)
ATarc182c   [ARC182C] Sum of Number of Divisors of Product 0 0 (无)
ATarc180d   [ARC180D] Division into 3 0 0 (无)
ATarc179d   [ARC179D] Portable Gate 0 0 (无)
ATarc179e   [ARC179E] Rectangle Concatenation 0 0 (无)
ATarc178d   [ARC178D] Delete Range Mex 0 0 (无)
ATarc177d   [ARC177D] Earthquakes 0 0 (无)
ATarc177e   [ARC177E] Wrong Scoreboard 0 0 (无)
ATarc176d   [ARC176D] Swap Permutation 0 0 (无)
ATarc174e   [ARC174E] Existence Counting 0 0 (无)
ATarc173d   [ARC173D] Bracket Walk 0 0 (无)
ATarc173e   [ARC173E] Rearrange and Adjacent XOR 0 0 (无)
ATarc172d   [ARC172D] Distance Ranking 0 0 (无)
ATarc172e   [ARC172E] Last 9 Digits 0 0 (无)
ATarc171e   [ARC171E] Rookhopper's Tour 0 0 (无)
ATarc170e   [ARC170E] BDFS 0 0 (无)
ATarc169d   [ARC169D] Add to Make a Permutation 0 0 (无)
ATarc168e   [ARC168E] Subsegments with Large Sums 0 0 (无)
ATarc167c   [ARC167C] MST on Line++ 0 0 (无)
ATarc167e   [ARC167E] One Square in a Triangle 0 0 (无)
ATarc165d   [ARC165D] Substring Comparison 0 0 (无)
ATarc165e   [ARC165E] Random Isolation 0 0 (无)
ATarc165f   [ARC165F] Make Adjacent 0 0 (无)
ATarc164e   [ARC164E] Segment-Tree Optimization 0 0 (无)
ATarc163d   [ARC163D] Sum of SCC 0 0 (无)
ATarc162d   [ARC162D] Smallest Vertices 0 0 (无)
ATarc162e   [ARC162E] Strange Constraints 0 0 (无)
ATarc162f   [ARC162F] Montage 0 0 (无)
ATarc160d   [ARC160D] Mahjong 0 0 (无)
ATarc160e   [ARC160E] Make Biconnected 0 0 (无)
ATarc159f   [ARC159F] Good Division 0 0 (无)
ATarc158d   [ARC158D] Equation 0 0 (无)
ATarc158e   [ARC158E] All Pair Shortest Paths 0 0 (无)
ATarc157d   [ARC157D] YY Garden 0 0 (无)
ATarc157e   [ARC157E] XXYX Binary Tree 0 0 (无)
ATarc156d   [ARC156D] Xor Sum 5 0 0 (无)
ATarc155d   [ARC155D] Avoid Coprime Game 0 0 (无)
ATarc153d   [ARC153D] Sum of Sum of Digits 0 0 (无)
ATarc152e   [ARC152E] Xor Annihilation 0 0 (无)
ATarc151e   [ARC151E] Keep Being Substring 0 0 (无)
ATarc150d   [ARC150D] Removing Gacha 0 0 (无)
ATarc149d   [ARC149D] Simultaneous Sugoroku 0 0 (无)
ATarc149e   [ARC149E] Sliding Window Sort 0 0 (无)
ATarc148e   [ARC148E] ≥ K 0 0 (无)
ATarc147e   [ARC147E] Examination 0 0 (无)
ATarc146c   [ARC146C] Even XOR 0 0 (无)
ATarc146d   [ARC146D] >=< 0 0 (无)
ATarc146e   [ARC146E] Simple Speed 0 0 (无)
ATarc144d   [ARC144D] AND OR Equation 0 0 (无)
ATarc144f   [ARC144F] Arithmetic Sequence Nim 0 0 (无)
ATarc143e   [ARC143E] Reversi 0 0 (无)
ATarc142d   [ARC142D] Deterministic Placing 0 0 (无)
ATarc141d   [ARC141D] Non-divisible Set 0 0 (无)
ATarc141e   [ARC141E] Sliding Edge on Torus 0 0 (无)
ATarc140d   [ARC140D] One to One 0 0 (无)
ATarc140e   [ARC140E] Not Equal Rectangle 0 0 (无)
ATarc139c   [ARC139C] One Three Nine 0 0 (无)
ATarc139d   [ARC139D] Priority Queue 2 0 0 (无)
ATarc138d   [ARC138D] Differ by K bits 0 0 (无)
ATarc136e   [ARC136E] Non-coprime DAG 0 0 (无)
ATarc135d   [ARC135D] Add to Square 0 0 (无)
ATarc133d   [ARC133D] Range XOR 0 0 (无)
ATarc130d   [ARC130D] Zigzag Tree 0 0 (无)
ATarc128d   [ARC128D] Neq Neq 0 0 (无)
ATarc128e   [ARC128E] K Different Values 0 0 (无)
ATarc127d   [ARC127D] Sum of Min of Xor 0 0 (无)
ATarc127e   [ARC127E] Priority Queue 0 0 (无)
ATarc126e   [ARC126E] Infinite Operations 0 0 (无)
ATarc125e   [ARC125E] Snack 0 0 (无)
ATarc124e   [ARC124E] Pass to Next 0 0 (无)
ATarc123e   [ARC123E] Training 0 0 (无)
ATarc122e   [ARC122E] Increasing LCMs 0 0 (无)
ATarc121d   [ARC121D] 1 or 2 0 0 (无)
ATarc121e   [ARC121E] Directed Tree 0 0 (无)
ATarc121f   [ARC121F] Logical Operations on Tree 0 0 (无)
ATarc120e   [ARC120E] 1D Party 0 0 (无)
ATarc120f   [ARC120F] Wine Thief 0 0 (无)
ATarc119d   [ARC119D] Grid Repainting 3 0 0 (无)
ATarc119e   [ARC119E] Pancakes 0 0 (无)
ATarc119f   [ARC119F] AtCoder Express 3 0 0 (无)
ATarc118d   [ARC118D] Hamiltonian Cycle 0 0 (无)
ATarc118e   [ARC118E] Avoid Permutations 0 0 (无)
ATarc117e   [ARC117E] Zero-Sum Ranges 2 0 0 (无)
ATarc114d   [ARC114D] Moving Pieces on Line 0 0 (无)
ATarc114e   [ARC114E] Paper Cutting 2 0 0 (无)
ATarc113e   [ARC113E] Rvom and Rsrev 0 0 (无)
ATarc112e   [ARC112E] Cigar Box 0 0 (无)
ATarc111e   [ARC111E] Simple Math 3 0 0 (无)
ATarc111f   [ARC111F] Do you like query problems? 0 0 (无)
ATarc110f   [ARC110F] Esoswap 0 0 (无)
ATarc109e   [ARC109E] 1D Reversi Builder 0 0 (无)
ATarc108f   [ARC108F] Paint Tree 0 0 (无)
ATarc107e   [ARC107E] Mex Mat 0 0 (无)
ATarc106e   [ARC106E] Medals 0 0 (无)
ATarc106f   [ARC106F] Figures 0 0 (无)
ATarc105e   [ARC105E] Keep Graph Disconnected 0 0 (无)
ATarc105f   [ARC105F] Lights Out on Connected Graph 0 0 (无)
ATarc104e   [ARC104E] Random LIS 0 0 (无)
ATarc104f   [ARC104F] Visibility Sequence 0 0 (无)
ATarc103b   [ABC111D] Robot Arms 0 0 (无)
ATarc103d   [ARC103F] Distance Sums 0 0 (无)
ATarc102c   [ARC102E] Stop. Otherwise... 0 0 (无)
ATarc101d   [ARC101F] Robots and Exits 0 0 (无)
ATarc100d   [ARC100F] Colorful Sequences 0 0 (无)
ATarc099c   [ARC099E] Independence 0 0 (无)
ATarc099d   [ARC099F] Eating Symbols Hard 0 0 (无)
ATarc097d   [ARC097F] Monochrome Cat 0 0 (无)
ATarc096c   [ARC096E] Everything on It 0 0 (无)
ATarc096d   [ARC096F] Sweet Alchemy 0 0 (无)
ATarc095c   [ARC095E] Symmetric Grid 0 0 (无)
ATarc095d   [ARC095F] Permutation Tree 0 0 (无)
ATarc093c   [ARC093E] Bichrome Spanning Tree 0 0 (无)
ATarc092d   [ARC092F] Two Faced Edges 0 0 (无)
ATarc091d   [ARC091F] Strange Nim 0 0 (无)
ATarc090d   [ARC090F] Number of Digits 0 0 (无)
ATarc089c   [ARC089E] GraphXY 0 0 (无)
ATarc086c   [ARC086E] Smuggling Marbles 0 0 (无)
ATarc085c   [ARC085E] MUL 0 0 (无)
ATarc085d   [ARC085F] NRE 0 0 (无)
ATarc082c   [ARC082E] ConvexScore 0 0 (无)
ATarc081d   [ARC081F] Flip and Rectangles 0 0 (无)
ATarc079d   [ARC079F] Namori Grundy 0 0 (无)
ATarc078d   [ARC078F] Mole and Abandoned Mine 0 0 (无)
ATarc076d   [ARC076F] Exhausted? 0 0 (无)
ATarc074c   [ARC074E] RGB Sequence 0 0 (无)
ATarc074d   [ARC074F] Lotus Leaves 0 0 (无)
ATarc072c   [ARC072E] Alice in linear land 0 0 (无)
ATarc072d   [ARC072F] Dam 0 0 (无)
ATarc070c   [ARC070E] NarrowRectangles 0 0 (无)
ATarc069d   [ARC069F] Flags 0 0 (无)
ATarc068c   [ARC068E] Snuke Line 0 0 (无)
ATarc068d   [ARC068F] Solitaire 0 0 (无)
ATarc067c   [ARC067E] Grouping 0 0 (无)
ATarc067d   [ARC067F] Yakiniku Restaurants 0 0 (无)
ATarc066b   [ABC050D] Xor Sum 0 0 (无)
ATarc065c   [ARC065E] へんなコンパス 0 0 (无)
ATarc065d   [ARC065F] シャッフル 0 0 (无)
ATarc062c   [ARC062E] AtCoDeerくんと立方体づくり 0 0 (无)
ATarc061d   [ARC061F] 3人でカードゲーム 0 0 (无)
ATarc060d   [ARC060F] 最良表現 0 0 (无)
ATagc068b   [AGC068B] 01 Graph Construction 0 0 (无)
ATagc067a   [AGC067A] Big Clique Everywhere 0 0 (无)
ATagc065c   [AGC065C] Avoid Half Sum 0 0 (无)
ATagc063c   [AGC063C] Add Mod Operations 0 0 (无)
ATagc062b   [AGC062B] Split and Insert 0 0 (无)
ATagc061c   [AGC061C] First Come First Serve 0 0 (无)
ATagc060c   [AGC060C] Large Heap 0 0 (无)
ATagc059c   [AGC059C] Guessing Permutation for as Long as Possible 0 0 (无)
ATagc056c   [AGC056C] 01 Balanced 0 0 (无)
ATagc055c   [AGC055C] Weird LIS 0 0 (无)
ATagc053c   [AGC053C] Random Card Game 0 0 (无)
ATagc052b   [AGC052B] Tree Edges XOR 0 0 (无)
ATagc051d   [AGC051D] C4 0 0 (无)
ATagc050d   [AGC050D] Shopping 0 0 (无)
ATagc049d   [AGC049D] Convex Sequence 0 0 (无)
ATagc047c   [AGC047C] Product Modulo 0 0 (无)
ATagc045b   [AGC045B] 01 Unbalanced 0 0 (无)
ATagc045c   [AGC045C] Range Set 0 0 (无)
ATagc044c   [AGC044C] Strange Dance 0 0 (无)
ATagc043c   [AGC043C] Giant Graph 0 0 (无)
ATagc043d   [AGC043D] Merge Triplets 0 0 (无)
ATagc041d   [AGC041D] Problem Scores 0 0 (无)
ATagc040c   [AGC040C] Neither AB nor BA 0 0 (无)
ATagc039c   [AGC039C] Division by Two with Something 0 0 (无)
ATagc039d   [AGC039D] Incenters 0 0 (无)
ATagc038c   [AGC038C] LCMs 0 0 (无)
ATagc038d   [AGC038D] Unique Path 0 0 (无)
ATagc037d   [AGC037D] Sorting a Grid 0 0 (无)
ATagc037e   [AGC037E] Reversing and Concatenating 0 0 (无)
ATagc035c   [AGC035C] Skolem XOR Tree 0 0 (无)
ATagc035d   [AGC035D] Add and Remove 0 0 (无)
ATagc034c   [AGC034C] Tests 0 0 (无)
ATagc034d   [AGC034D] Manhattan Max Matching 0 0 (无)
ATagc034e   [AGC034E] Complete Compress 0 0 (无)
ATagc033d   [AGC033D] Complexity 0 0 (无)
ATagc032c   [AGC032C] Three Circuits 0 0 (无)
ATagc032d   [AGC032D] Rotation Sort 0 0 (无)
ATagc032e   [AGC032E] Modulo Pairing 0 0 (无)
ATagc031c   [AGC031C] Differ by 1 Bit 0 0 (无)
ATagc031d   [AGC031D] A Sequence of Permutations 0 0 (无)
ATagc030c   [AGC030C] Coloring Torus 0 0 (无)
ATagc030d   [AGC030D] Inversion Sum 0 0 (无)
ATagc029e   [AGC029E] Wandering TKHS 0 0 (无)
ATagc028b   [AGC028B] Removing Blocks 0 0 (无)
ATagc028c   [AGC028C] Min Cost Cycle 0 0 (无)
ATagc028d   [AGC028D] Chords 0 0 (无)
ATagc027b   [AGC027B] Garbage Collector 0 0 (无)
ATagc027d   [AGC027D] Modulo Matrix 0 0 (无)
ATagc026d   [AGC026D] Histogram Coloring 0 0 (无)
ATagc026e   [AGC026E] Synchronized Subsequence 0 0 (无)
ATagc025d   [AGC025D] Choosing Points 0 0 (无)
ATagc024d   [AGC024D] Isomorphism Freak 0 0 (无)
ATagc024e   [AGC024E] Sequence Growing Hard 0 0 (无)
ATagc023f   [AGC023F] 01 on Tree 0 0 (无)
ATagc022e   [AGC022E] Median Replace 0 0 (无)
ATagc021c   [AGC021C] Tiling 0 0 (无)
ATagc020d   [AGC020D] Min Max Repetition 0 0 (无)
ATagc020e   [AGC020E] Encoding Subsets 0 0 (无)
ATagc019c   [AGC019C] Fountain Walk 0 0 (无)
ATagc019d   [AGC019D] Shift and Flip 0 0 (无)
ATagc018c   [AGC018C] Coins 0 0 (无)
ATagc018d   [AGC018D] Tree and Hamilton Path 0 0 (无)
ATagc017c   [AGC017C] Snuke and Spells 0 0 (无)
ATagc017d   [AGC017D] Game on Tree 0 0 (无)
ATagc016d   [AGC016D] XOR Replace 0 0 (无)
ATagc016e   [AGC016E] Poor Turkeys 0 0 (无)
ATagc015d   [AGC015D] A or...or B Problem 0 0 (无)
ATagc015e   [AGC015E] Mr.Aoki Incubator 0 0 (无)
ATagc014d   [AGC014D] Black and White Tree 0 0 (无)
ATagc014e   [AGC014E] Blue and Red Tree 0 0 (无)
ATagc013c   [AGC013C] Ants on a Circle 0 0 (无)
ATagc013d   [AGC013D] Piling Up 0 0 (无)
ATagc013e   [AGC013E] Placing Squares 0 0 (无)
ATagc012c   [AGC012C] Tautonym Puzzle 0 0 (无)
ATagc012d   [AGC012D] Colorful Balls 0 0 (无)
ATagc011d   [AGC011D] Half Reflector 0 0 (无)
ATagc011e   [AGC011E] Increasing Numbers 0 0 (无)
ATagc010d   [AGC010D] Decrementing 0 0 (无)
ATagc007c   [AGC007C] Pushing Balls 0 0 (无)
ATagc007d   [AGC007D] Shik and Game 0 0 (无)
ATagc007f   [AGC007F] Shik and Copying String 0 0 (无)
ATagc006c   [AGC006C] Rabbit Exercise 0 0 (无)
ATagc006d   [AGC006D] Median Pyramid Hard 0 0 (无)
ATagc006f   [AGC006F] Blackout 0 0 (无)
ATagc005d   [AGC005D] ~K Perm Counting 0 0 (无)
ATagc005f   [AGC005F] Many Easy Problems 0 0 (无)
ATagc004e   [AGC004E] Salvage Robots 0 0 (无)
ATagc003d   [AGC003D] Anticube 0 0 (无)
ATagc003e   [AGC003E] Sequential operations on Sequence 0 0 (无)
ATagc003f   [AGC003F] Fraction of Fractal 0 0 (无)
ATagc002d   [AGC002D] Stamp Rally 0 0 (无)
ATagc002e   [AGC002E] Candy Piles 0 0 (无)
ATagc002f   [AGC002F] Leftmost Ball 0 0 (无)
ATagc001d   [AGC001D] Arrays and Palindrome 0 0 (无)
ATagc001e   [AGC001E] BBQ Hard 0 0 (无)
 
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