219 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
11684 ATabc131e   [ABC131E] Friendships 1 / 2 10
11707 ATabc135e   [ABC135E] Golf 1 / 1 10
11774 ATabc146d   [ABC146D] Coloring Edges on Tree 1 / 1 10
9905 ATabc251d   [ABC251D] At Most 3 (Contestant ver.) 6 / 33 8
9908 ATabc251f   [ABC251F] Two Spanning Trees 3 / 5 10
7021 ATabc282f   [ABC282F] Union of Two Sets 0 / 1 10
8878 ATabc313d   [ABC313D] Odd or Even 0 / 1 10
1624 ATabc358f   [ABC358F] Easiest Maze 0 / 12 10
1675 ATabc362c   [ABC362C] Sum = 0 9 / 15 7
8365 ATagc001d   [AGC001D] Arrays and Palindrome 1 / 3 10
8372 ATagc002e   [AGC002E] Candy Piles 1 / 1 10
11522 ATagc003f   [AGC003F] Fraction of Fractal(重复loj6237) 1 / 1 10
8784 ATagc004c   [AGC004C] AND Grid 2 / 4 10
8778 ATagc005c   [AGC005C] Tree Restoring 2 / 5 10
8771 ATagc006b   [AGC006B] Median Pyramid Easy 3 / 9 10
8765 ATagc007b   [AGC007B] Construct Sequences 3 / 5 10
8761 ATagc008d   [AGC008D] K-th K 2 / 5 10
8757 ATagc009e   [AGC009E] Eternal Average 1 / 1 10
8720 ATagc015d   [AGC015D] A or...or B Problem 1 / 2 10
8712 ATagc016b   [AGC016B] Colorful Hats 1 / 1 10
8683 ATagc021c   [AGC021C] Tiling 1 / 1 10
8676 ATagc022b   [AGC022B] GCD Sequence 1 / 1 10
8622 ATagc031c   [AGC031C] Differ by 1 Bit 1 / 3 10
8615 ATagc032b   [AGC032B] Balanced Neighbors 3 / 3 10
8597 ATagc035b   [AGC035B] Even Degrees 2 / 8 10
8598 ATagc035c   [AGC035C] Skolem XOR Tree 1 / 1 10
8594 ATagc036e   [AGC036E] ABC String 1 / 1 10
8489 ATagc038a   [AGC038A] 01 Matrix 12 / 24 6
8473 ATagc041c   [AGC041C] Domino Quality 0 / 3 10
8475 ATagc041e   [AGC041E] Balancing Network 0 / 2 10
8469 ATagc043e   [AGC043E] Topology 1 / 1 10
8354 ATagc046e   [AGC046E] Permutation Cover 1 / 2 10
8348 ATagc047e   [AGC047E] Product Simulation 0 / 1 10
8204 ATagc050a   [AGC050A] AtCoder Jumper 2 / 5 10
11524 ATagc051f   [AGC051F] rng_58's Last Problem 0 / 0 (无)
8104 ATagc052a   [AGC052A] Long Common Subsequence 0 / 1 10
8105 ATagc052b   [AGC052B] Tree Edges XOR 1 / 1 10
8107 ATagc052d   [AGC052D] Equal LIS 1 / 1 10
8098 ATagc053a   [AGC053A] >< again 0 / 2 10
8086 ATagc055a   [AGC055A] ABC Identity 0 / 1 10
8087 ATagc055b   [AGC055B] ABC Supremacy 1 / 2 10
8089 ATagc055d   [AGC055D] ABC Ultimatum 1 / 1 10
8090 ATagc055e   [AGC055E] Set Merging 1 / 1 10
8080 ATagc056a   [AGC056A] Three Cells per Row and Column 1 / 5 10
8068 ATagc058a   [AGC058A] Make it Zigzag 4 / 17 9
8063 ATagc059b   [AGC059B] Arrange Your Balls 2 / 17 9
8066 ATagc059e   [AGC059E] Grid 3-coloring 1 / 1 10
8060 ATagc060e   [AGC060E] Number of Cycles(wuspj) 0 / 27 10
8051 ATagc061b   [AGC061B] Summation By Construction 2 / 8 10
8040 ATagc063c   [AGC063C] Add Mod Operations 1 / 3 10
8033 ATagc064a   [AGC064A] i i's 6 / 29 8
8037 ATagc064e   [AGC064E] Cross Sum Construction(wuspj) 0 / 4 10
8030 ATagc065c   [AGC065C] Avoid Half Sum 1 / 1 10
8023 ATagc066a   [AGC066A] Adjacent Difference 1 / 2 10
8024 ATagc066b   [AGC066B] Decreasing Digit Sums 3 / 6 10
8014 ATagc068b   [AGC068B] 01 Graph Construction 1 / 5 10
9486 ATarc069b   [ABC055D] Menagerie 1 / 4 10
9484 ATarc070d   [ARC070F] HonestOrUnkind 0 / 1 10
9446 ATarc079b   [ABC068D] Decrease (Contestant ver.) 3 / 3 10
9278 ATarc115b   [ARC115B] Plus Matrix 1 / 4 10
9242 ATarc121c   [ARC121C] Odd Even Sort 1 / 1 10
174 ATarc145d   [ARC145D] Non Arithmetic Progression Set 0 / 1 10
1140 ATarc152d   [ARC152D] Halftree 0 / 1 10
142 ATarc153c   [ARC153C] ± Increasing Sequence 2 / 5 10
1289 ATarc156c   [ARC156C] Tree and LCS 0 / 1 10
157 ATarc159c   [ARC159C] Permutation Addition 0 / 1 10
235 ATarc160e   [ARC160E] Make Biconnected 0 / 1 10
227 ATarc161c   [ARC161C] Dyed by Majority (Odd Tree) 3 / 8 10
228 ATarc161d   [ARC161D] Everywhere is Sparser than Whole (Construction) 0 / 1 10
220 ATarc162b   [ARC162B] Insertion Sort 2 0 / 1 10
215 ATarc163c   [ARC163C] Harmonic Mean 3 / 3 10
1180 ATarc167e   [ARC167E] One Square in a Triangle 0 / 1 10
2550 ATarc175e   [ARC175E] Three View Drawing 1 / 1 10
2540 ATarc176a   [ARC176A] 01 Matrix Again 1 / 1 10
2535 ATarc177b   [ARC177B] Puzzle of Lamps 3 / 3 10
1255 ATarc178a   [ARC178A] Good Permutation 2 1 / 1 10
1239 ATarc181c   [ARC181C] Row and Column Order 2 / 3 10
1232 ATarc182b   [ARC182B] |{floor(A_i/2^k)}| 1 / 2 10
1893 ATarc183a   [ARC183A] Median of Good Sequences 4 / 4 10
1897 ATarc183d   [ARC183D] Keep Perfectly Matched 1 / 1 10
12662 CF896C   Willem, Chtholly and Seniorious 1 / 1 10
2796 P3143   [CTSC2008] 祭祀 3 / 9 10
4593 P4928   [POI 1999 R2] 飞弹(wuspj) 0 / 0 (无)
5775 P6110   [ICPC 2015 WF] Evolution in Parallel（wuspj） 0 / 1 10
6082 P6417   [SHOI2013] 超级跳马 1 / 2 10
6465 P6796   [CERC2016] 关键的膝盖 Key Knocking 1 / 1 10
4541 lg2179   [NOI2012] 骑行川藏 1 / 1 10
2739 lg2325   [SCOI2005] 王室联邦 9 / 14 8
4420 lg2337   [SCOI2012] 喵星人的入侵 1 / 2 10
3563 lg2579   [ZJOI2005] 沼泽鳄鱼 1 / 1 10
3668 lg3208   [HNOI2010] 矩阵 0 / 0 (无)
4393 lg3220   [HNOI2012] 与非 1 / 2 10
4399 lg3226   【状压 DP】[HNOI2012] 集合选数 1 / 1 10
1825 lg3640   [APIO2013] 出题人（无评测） 2 / 6 10
6840 lg3666   [USACO17OPEN] COWBASIC P 1 / 1 10
6489 lg3706   [SDOI2017] 硬币游戏 2 / 5 10
800 lg3951   [NOIP 2017 提高组] 小凯的疑惑 11 / 59 8
2666 lg4035   [JSOI2008] 球形空间产生器 26 / 60 4
4770 lg4301   G66【线性基】[CQOI2013] 新Nim游戏 29 / 130 7
1485 lg4338   [ZJOI2018] 历史 26 / 75 6

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