ID Problem Show tags Hide tags AC / Tried Difficulty
8982 P9665   [ICPC 2021 Macao R] Colorful Tree 0 / 0 8
8983 P9666   [ICPC 2021 Macao R] Link-Cut Tree 0 / 0 5
9459 P9734   [JOISC 2021] 逃走経路 (Escape Route) (Day2) 0 / 0 9
9011 P9761   [ROIR 2021] 两台机器 (Day 1) 0 / 0 3
9012 P9762   [ROIR 2021] 分割数表 (Day 1) 0 / 0 5
9013 P9763   [ROIR 2021] 基因突变 (Day 1) 0 / 0 (None)
9014 P9764   [ROIR 2021] 绳子 (Day 1) 0 / 0 8
9015 P9765   [ROIR 2021] 日期 (Day 2) 0 / 0 1
9018 P9766   [ROIR 2021] 好数 (Day 2) 0 / 0 5
9016 P9767   [ROIR 2021] 染色 (Day 2) 0 / 0 5
9017 P9768   [ROIR 2021] A+B (Day 2) 0 / 0 7
9250 P9872   [EC Final 2021] DFS Order 1 / 1 3
9251 P9873   [EC Final 2021] Beautiful String 0 / 0 7
9252 P9874   [EC Final 2021] String-dle Count 0 / 0 8
9253 P9875   [EC Final 2021] Two Walls 0 / 0 8
9254 P9876   [EC Final 2021] Prof. Pang and Poker 0 / 0 7
9255 P9877   [EC Final 2021] Vacation 0 / 0 9
9256 P9878   [EC Final 2021] Check Pattern is Bad 0 / 0 9
9244 P9879   [EC Final 2021] Check Pattern is Good 0 / 0 8
9245 P9880   [EC Final 2021] Future Coder 0 / 0 3
9246 P9881   [EC Final 2021] Elden Ring 0 / 0 7
9247 P9882   [EC Final 2021] Vision Test 0 / 0 9
9248 P9883   [EC Final 2021] Fenwick Tree 0 / 0 6
9249 P9884   [EC Final 2021] Prof. Pang and Ants 0 / 0 9
9322 P9937   [USACO21OPEN] Acowdemia I B 0 / 0 3
9323 P9938   [USACO21OPEN] Acowdemia II B 0 / 0 3
9324 P9939   [USACO21OPEN] Acowdemia III B 0 / 0 5
9325 P9940   [USACO21JAN] Uddered but not Herd B 0 / 0 1
9326 P9941   [USACO21JAN] Even More Odd Photos B 0 / 0 3
9327 P9942   [USACO21JAN] Just Stalling B 0 / 0 3
9328 P9943   [USACO21FEB] Year of the Cow B 0 / 0 3
9329 P9944   [USACO21FEB] Comfortable Cows B 0 / 0 3
9330 P9945   [USACO21FEB] Clockwise Fence B 0 / 0 3
10243 P10771   [NOISG 2021 Qualification] Competition 0 / 0 3
10244 P10772   [NOISG 2021 Qualification] Departure 0 / 0 8
10260 P10773   [NOISG 2021 Qualification] Truck 0 / 0 8
10375 P11088   [ROI 2021] 穿孔卡片 (Day 1) 0 / 0 7
10376 P11089   [ROI 2021] 手机游戏 (Day 1) 0 / 0 8
10377 P11091   [ROI 2021] 工作报告 (Day 1) 0 / 0 9
10378 P11092   [ROI 2021] 莫斯科数字 (Day 2) 0 / 0 6
10379 P11093   [ROI 2021] 树制游戏 (Day 2) 0 / 0 (None)
10380 P11094   [ROI 2021] 砍树 (Day 2) 0 / 0 8
10381 P11095   [ROI 2021] 旅行 (Day 2) 0 / 0 8
10513 P11192   [COTS 2021] 菜 Jelo 0 / 0 9
10514 P11193   [COTS 2021] 虫 Kukac 0 / 0 7
10674 P11194   [COTS 2021] 县 Županije 0 / 0 8
10569 P11195   [COTS 2021] 疫苗接种 Cijepise 0 / 0 8
10570 P11197   [COTS 2021] 赛狗游戏 Tiket 0 / 0 8
10790 P11299   [NOISG 2021 Finals] Fraud 0 / 0 5
12969 P11300   [NOISG 2021 Finals] Archaeologist 0 / 0 (None)
10791 P11301   [NOISG 2021 Finals] Password 0 / 0 (None)
10792 P11302   [NOISG 2021 Finals] Tiles 0 / 0 8
10793 P11303   [NOISG 2021 Finals] Pond 0 / 0 9
10800 P11313   [RMI 2021] 园艺 / Gardening 0 / 0 9
10801 P11314   [RMI 2021] 礼物 / Present 0 / 0 9
12970 P11315   [RMI 2021] 速通 / Speedrun 0 / 0 8
10802 P11316   [RMI 2021] 去 M / NoM 0 / 0 7
10803 P11317   [RMI 2021] 路径 / Paths 0 / 0 8
10804 P11318   [RMI 2021] 奇树 / Weirdtree 0 / 0 8
10920 P11482   [NordicOI 2021] Pearls 0 / 0 5
10923 P11483   [NordicOI 2021] The Elk 0 / 0 7
10922 P11484   [NordicOI 2021] Amazing Whispers 0 / 0 7
11874 P11975   [KTSC 2021] 翻牌游戏 / card 0 / 0 5
11875 P11976   [KTSC 2021] 通信网络 / communication 0 / 0 9
11876 P11977   [KTSC 2021] 卡顿 / lag 0 / 0 8
11877 P11978   [KTSC 2021] 铁路 / railroad 0 / 0 7
11878 P11979   [KTSC 2021] 射击游戏 / gun 0 / 0 9
11879 P11980   [KTSC 2021] 会议室 / meeting 0 / 0 7
11880 P11981   [KTSC 2021] 猴子 / monkey 0 / 0 (None)
11881 P11982   [KTSC 2021] 路灯 / streetlight 0 / 0 9
12287 P12450   [INOI Team Selection 2021] Maximal Tree Coloring 0 / 0 6
12288 P12451   [INOI Team Selection 2021] Labelless Graph 0 / 0 8
12289 P12452   [INOI Team Selection 2021] Color Colony 0 / 0 8
12290 P12453   [INOI Team Selection 2021] Lisdeque 0 / 0 7
12291 P12454   [INOI Team Selection 2021] String 0 / 0 8
12292 P12455   [INOI Team Selection 2021] Andarzgu 0 / 0 9
12386 P12574   [UOI 2021] 机器人 0 / 0 (None)
12387 P12575   [UOI 2021] 第 k 小的数 0 / 0 (None)
12388 P12576   [UOI 2021] 数字图 0 / 0 8
12389 P12577   [UOI 2021] 树上的强盗 0 / 0 8
12390 P12578   [UOI 2021] 彩色矩阵 0 / 0 7
12391 P12579   [UOI 2021] 哥萨克与 GCD 0 / 0 8
12392 P12580   [UOI 2021] 猜排列【交互题暂未配置】 0 / 0 (None)
12393 P12581   [UOI 2021] 敌人与军刀 0 / 0 8
12493 P12707   [KOI 2021 Round 1] 橡皮擦 0 / 0 3
12494 P12708   [KOI 2021 Round 1] 分割 0 / 0 5
12495 P12709   [KOI 2021 Round 1] 采蜜 0 / 0 5
12496 P12710   [KOI 2021 Round 1] 两个团队 0 / 0 6
12497 P12711   [KOI 2021 Round 1] 棒球赛季 0 / 0 3
12498 P12712   [KOI 2021 Round 1] 超矩形 0 / 0 5
12499 P12713   [KOI 2021 Round 1] 公共子序列扩展 0 / 0 6
12500 P12721   [KOI 2021 Round 2] 矩形面积 0 / 0 3
12501 P12722   [KOI 2021 Round 2] 计算机器人 0 / 0 5
12502 P12723   [KOI 2021 Round 2] 括号值比较 0 / 0 5
12503 P12724   [KOI 2021 Round 2] 图的平衡 0 / 0 6
12504 P12725   [KOI 2021 Round 2] 累计距离 0 / 0 5
12505 P12726   [KOI 2021 Round 2] 连续的 1 0 / 0 8
12506 P12727   [KOI 2021 Round 2] 公共括号子串字典序 0 / 0 8
12507 P12728   [KOI 2021 Round 2] 直升机着陆场 0 / 0 6
12508 P12729   [KOI 2021 Round 2] 最长公共括号子串 0 / 0 8

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