ID Problem Show tags Hide tags AC / Tried Difficulty
6103 P9443  [ICPC 2021 WF] Hand of the Free Marked 0 / 0 6
6104 P9444  [ICPC 2021 WF] Islands from the Sky 0 / 0 6
6105 P9445  [ICPC 2021 WF] Mosaic Browsing 0 / 0 6
6106 P9446  [ICPC 2021 WF] Prehistoric Programs 0 / 0 5
6107 P9447  [ICPC 2021 WF] Spider Walk 0 / 0 6
6108 P9448  [ICPC 2021 WF] Splitstream 0 / 0 4
6109 P9449  [ICPC 2021 WF] Take On Meme 0 / 0 7
6129 P9450  [ICPC 2021 WF] Where Am I? 0 / 0 5
9032 P9656  [ICPC 2021 Macao R] So I'll Max Out My Constructive Algorithm Skills 0 / 0 2
9033 P9657  [ICPC 2021 Macao R] the Matching System 0 / 0 7
9034 P9658  [ICPC 2021 Macao R] Laser Trap 0 / 0 5
9035 P9659  [ICPC 2021 Macao R] Shortest Path Fast Algorithm 0 / 0 6
9036 P9660  [ICPC 2021 Macao R] Pass the Ball! 0 / 0 6
9037 P9661  [ICPC 2021 Macao R] Sandpile on Clique 0 / 0 4
9038 P9662  [ICPC 2021 Macao R] Cyclic Buffer 0 / 0 5
9039 P9663  [ICPC 2021 Macao R] Permutation on Tree 0 / 0 6
9040 P9664  [ICPC 2021 Macao R] LCS Spanning Tree 0 / 0 6
9041 P9665  [ICPC 2021 Macao R] Colorful Tree 0 / 0 7
9042 P9666  [ICPC 2021 Macao R] Link-Cut Tree 0 / 0 3
9519 P9734  [JOISC 2021] 逃走経路 (Escape Route) (Day2) 0 / 0 7
8723 P9761  [ROIR 2021] 两台机器 (Day 1) 0 / 0 2
8724 P9762  [ROIR 2021] 分割数表 (Day 1) 0 / 0 3
8725 P9763  [ROIR 2021] 基因突变 (Day 1) 0 / 0 (None)
8726 P9764  [ROIR 2021] 绳子 (Day 1) 0 / 0 (None)
8727 P9765  [ROIR 2021] 日期 (Day 2) 0 / 0 1
8730 P9766  [ROIR 2021] 好数 (Day 2) 0 / 0 3
8728 P9767  [ROIR 2021] 染色 (Day 2) 0 / 0 3
8729 P9768  [ROIR 2021] A+B (Day 2) 0 / 0 5
9289 P9872  [EC Final 2021] DFS Order 0 / 0 2
9290 P9873  [EC Final 2021] Beautiful String 0 / 0 5
9291 P9874  [EC Final 2021] String-dle Count 0 / 0 6
9292 P9875  [EC Final 2021] Two Walls 0 / 0 6
9293 P9876  [EC Final 2021] Prof. Pang and Poker 0 / 0 5
9294 P9877  [EC Final 2021] Vacation 0 / 0 7
9295 P9878  [EC Final 2021] Check Pattern is Bad 0 / 0 7
9283 P9879  [EC Final 2021] Check Pattern is Good 0 / 0 6
9284 P9880  [EC Final 2021] Future Coder 0 / 0 2
9285 P9881  [EC Final 2021] Elden Ring 0 / 0 5
9286 P9882  [EC Final 2021] Vision Test 0 / 0 7
9287 P9883  [EC Final 2021] Fenwick Tree 0 / 0 4
9288 P9884  [EC Final 2021] Prof. Pang and Ants 0 / 0 7
9365 P9937  [USACO21OPEN] Acowdemia I B 0 / 0 2
9366 P9938  [USACO21OPEN] Acowdemia II B 0 / 0 2
9367 P9939  [USACO21OPEN] Acowdemia III B 0 / 0 3
9368 P9940  [USACO21JAN] Uddered but not Herd B 0 / 0 1
9369 P9941  [USACO21JAN] Even More Odd Photos B 0 / 0 2
9370 P9942  [USACO21JAN] Just Stalling B 0 / 0 2
9371 P9943  [USACO21FEB] Year of the Cow B 0 / 0 2
9372 P9944  [USACO21FEB] Comfortable Cows B 0 / 0 2
9373 P9945  [USACO21FEB] Clockwise Fence B 0 / 0 2
10400 P10771  [NOISG 2021 Qualification] Competition 0 / 0 2
10402 P10772  [NOISG 2021 Qualification] Departure 0 / 0 6
10418 P10773  [NOISG 2021 Qualification] Truck 0 / 0 6
10175 P11088  [ROI 2021] 穿孔卡片 (Day 1) 0 / 0 5
10176 P11089  [ROI 2021] 手机游戏 (Day 1) 0 / 0 6
10177 P11091  [ROI 2021] 工作报告 (Day 1) 0 / 0 6
10178 P11092  [ROI 2021] 莫斯科数字 (Day 2) 0 / 0 4
10179 P11093  [ROI 2021] 树制游戏 (Day 2) 0 / 0 (None)
10180 P11094  [ROI 2021] 砍树 (Day 2) 0 / 0 6
10181 P11095  [ROI 2021] 旅行 (Day 2) 0 / 0 6
10521 P11192  [COTS 2021] 菜 Jelo 0 / 0 7
10522 P11193  [COTS 2021] 虫 Kukac 0 / 0 5
10524 P11194  [COTS 2021] 县 Županije 0 / 0 6
10586 P11195  [COTS 2021] 疫苗接种 Cijepise 0 / 0 6
10587 P11197  [COTS 2021] 赛狗游戏 Tiket 0 / 0 6
10804 P11299  [NOISG 2021 Finals] Fraud 0 / 0 (None)
10805 P11301  [NOISG 2021 Finals] Password 0 / 0 (None)
10806 P11302  [NOISG 2021 Finals] Tiles 0 / 0 6
10807 P11303  [NOISG 2021 Finals] Pond 0 / 0 7
10815 P11313  [RMI 2021] 园艺 / Gardening 0 / 0 7
10816 P11314  [RMI 2021] 礼物 / Present 0 / 0 7
10817 P11316  [RMI 2021] 去 M / NoM 0 / 0 5
10818 P11317  [RMI 2021] 路径 / Paths 0 / 0 6
10819 P11318  [RMI 2021] 奇树 / Weirdtree 0 / 0 6
11111 P11482  [NordicOI 2021] Pearls 0 / 0 3
11114 P11483  [NordicOI 2021] The Elk 0 / 0 5
11113 P11484  [NordicOI 2021] Amazing Whispers 0 / 0 5
11896 P11975  [KTSC 2021] 翻牌游戏 / card 0 / 0 3
11897 P11976  [KTSC 2021] 通信网络 / communication 0 / 0 7
11898 P11977  [KTSC 2021] 卡顿 / lag 0 / 0 6
11899 P11978  [KTSC 2021] 铁路 / railroad 0 / 0 5
11900 P11979  [KTSC 2021] 射击游戏 / gun 0 / 0 7
11901 P11980  [KTSC 2021] 会议室 / meeting 0 / 0 5
11902 P11981  [KTSC 2021] 猴子 / monkey 0 / 0 (None)
11903 P11982  [KTSC 2021] 路灯 / streetlight 0 / 0 7
12312 P12450  [INOI Team Selection 2021] Maximal Tree Coloring 0 / 0 4
12313 P12451  [INOI Team Selection 2021] Labelless Graph 0 / 0 6
12314 P12452  [INOI Team Selection 2021] Color Colony 0 / 0 6
12315 P12453  [INOI Team Selection 2021] Lisdeque 0 / 0 6
12316 P12454  [INOI Team Selection 2021] String 0 / 0 6
12317 P12455  [INOI Team Selection 2021] Andarzgu 0 / 0 7
12412 P12574  [UOI 2021] 机器人 0 / 0 (None)
12413 P12575  [UOI 2021] 第 k 小的数 0 / 0 (None)
12414 P12576  [UOI 2021] 数字图 0 / 0 6
12415 P12577  [UOI 2021] 树上的强盗 0 / 0 6
12416 P12578  [UOI 2021] 彩色矩阵 0 / 0 5
12417 P12579  [UOI 2021] 哥萨克与 GCD 0 / 0 5
12418 P12580  [UOI 2021] 猜排列【交互题暂未配置】 0 / 0 (None)
12419 P12581  [UOI 2021] 敌人与军刀 0 / 0 6
12520 P12707  [KOI 2021 Round 1] 橡皮擦 0 / 0 2

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