28 problems

  • 1
ID Problem Show tags Hide tags AC / Tried Difficulty
3194 L2091   「ZJOI2016」小星星 1 / 3 10
3368 L2480   「CEOI2017」One-Way Streets 1 / 1 7
3532 L2510   「AHOI / HNOI2018」道路 1 / 22 8
3201 L2952   赛道修建 1 / 2 10
3412 L3052   「十二省联考 2019」春节十二响 1 / 1 6
3270 L3142   「BJWC2018」Cross sum 1 / 3 10
3103 L3350   「CEOI2020」星际迷航 1 / 2 10
3116 L3352   「CEOI2020」春季大扫除 1 / 1 10
3110 L3680   「北大集训 2021」经典游戏 2 / 9 9
3112 L3711   「ZJOI2022」深搜 1 / 7 9
3508 L3802   「HEOI2013」SAO 1 / 1 10
3411 L3868   「PA 2020」Sen o podboju 1 / 1 10
3275 L3982   「NOI2023」贸易 1 / 1 10
3434 L4042   「SNOI2024」公交线路 1 / 1 10
3345 L4220   「IOI2024」树上代价 0 / 17 9
3157 L4911   「POI2017 R1」破坏 Sabotage 1 / 4 10
3230 L5002   「POI 2023/2024 R3」Wyjścia ewakuacyjne 1 / 2 10
3203 L6032   「雅礼集训 2017 Day2」水箱 1 / 1 10
3222 L6799   「ICPC World Finals 2020」清雪（没）问题 1 / 1 10
193 P1192   最优连通子集 1 / 2 10
849 P1848   Tree 1 / 2 5
948 P1947   Rebuilding Roads 1 / 3 10
950 P1949   Chores 1 / 2 10
1488 P2486   Apple Tree 1 / 4 10
2343 P3342   Party at Hali-Bula 1 / 2 6
2346 P3345   Bribing FIPA 1 / 8 10
2660 P3659   Cell Phone Network 1 / 1 8
2984 P4003   Bob’s Race 1 / 4 10
  • 1

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