ID 題目 显示标签 隐藏标签 AC / 尝试 難度
35240 luogu#P11406   [RMI 2020] 零和 / Sum Zero 0 / 0 6
13376 luogu#P9403   [POI 2020/2021 R3] Les Bitérables 0 / 0 5
16446 loj#P3254   「JOI 2020 Final」集邮比赛 3 0 / 0 (無)
29005 codeforces#P915D   Almost Acyclic Graph 0 / 0 8
10650 luogu#P6640   [BJOI2020] 封印 0 / 0 6
28788 codeforces#P863F   Almost Permutation 0 / 0 8
17060 loj#P3941   「JOI 2023 Final」宣传 2 0 / 0 (無)
36359 luogu#P12195   [NOISG 2025 Prelim] Itinerary 0 / 0 5
35040 luogu#P11192   [COTS 2021] 菜 Jelo 0 / 0 7
11228 luogu#P7219   [JOISC 2020] 星座 3 1 / 2 6
12127 luogu#P8131   [ICPC 2020 WF] Gene Folding 0 / 0 (無)
31912 codeforces#P1503B   3-Coloring 0 / 0 5
17717 loj#P6804   「ICPC World Finals 2020」这是哪个星球?! 0 / 2 10
25026 spoj#XOINC   A Coin Game 0 / 0 (無)
22564 spoj#GCPC11C   Indiana Jones and the lost Soccer Cup 0 / 0 (無)
31240 codeforces#P1368F   Lamps on a Circle 0 / 0 10
14500 luogu#P10557   [ICPC 2024 Xi'an I] Dumb Robot 0 / 0 5
14759 luogu#P10823   [EC Final 2020] Prof. Pang Earning Aus 0 / 0 (無)
30099 codeforces#P1149E   Election Promises 0 / 0 10
28681 codeforces#P842A   Kirill And The Game 0 / 0 4
11176 luogu#P7167   [eJOI 2020] Fountain (Day1) 4 / 5 5
13091 luogu#P9107   [PA 2020] Wycieczka górska 0 / 2 3
12134 luogu#P8138   [ICPC 2020 WF] Space Walls 0 / 0 7
7002 luogu#P2972   [USACO10HOL] Rocks and Trees G 0 / 1 5
14755 luogu#P10819   [EC Final 2020] City Brain 0 / 0 5
10889 luogu#P6880   [JOI 2020 Final] 奥运公交 / Olympic Bus 1 / 7 5
17061 loj#P3942   「JOI 2023 Final」迷宫 0 / 0 (無)
14754 luogu#P10818   [EC Final 2020] Random Shuffle 0 / 0 6
34763 codeforces#P1987D   World is Mine 1 / 1 10
16737 loj#P3599   「PA 2021」Koszulki 0 / 0 (無)
12723 luogu#P8738   [蓝桥杯 2020 国 C] 天干地支 2 / 2 2
35552 luogu#P11707   「KTSC 2020 R1」捷径 0 / 0 6
16691 loj#P3551   「COI 2020」Semafor 0 / 0 (無)
16474 loj#P3283   「USACO 2020 US Open Platinum」Sprinklers 2: Return of the Alfalfa 1 / 1 10
20343 atcoder#NOMURA2020F   Sorting Game 1 / 1 7
11226 luogu#P7217   [JOISC 2020] 収穫 1 / 4 7
36393 luogu#P12076   [OOI 2025] Cute Subsequences 0 / 0 4
12131 luogu#P8135   [ICPC 2020 WF] QC QC 0 / 0 7
13277 luogu#P9300   [CCC 2023 J2] Chili Peppers 0 / 0 1
31681 codeforces#P1458E   Nim Shortcuts 0 / 0 10
35147 luogu#P11319   [NOISG 2020 Qualification] Cryptography 0 / 0 3
35157 luogu#P11332   [NOISG 2020 Finals] Labels 0 / 0 (無)
35158 luogu#P11333   [NOISG 2020 Finals] Discharging 0 / 0 6
35160 luogu#P11335   [NOISG 2020 Finals] Arcade 0 / 0 (無)
35159 luogu#P11334   [NOISG 2020 Finals] Progression 0 / 0 5
13253 luogu#P9276   [AGM 2023 资格赛] 麦田 0 / 0 5
13257 luogu#P9280   [AGM 2023 资格赛] Monty Hall 0 / 0 3
13259 luogu#P9282   [AGM 2023 资格赛] 回文 0 / 0 6
13261 luogu#P9284   [AGM 2023 资格赛] 海盗 0 / 0 5
33880 codeforces#P1842A   Tenzing and Tsondu 0 / 0 3

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