52 problems

  • 1
ID Problem Show tags Hide tags AC / Tried Difficulty
5657 P1545   [USACO04DEC] Dividing the Path G 0 / 0 5
6174 P2098   [USACO16DEC] Team Building P 0 / 0 4
6469 P2120   [ZJOI2007] 仓库建设 5 / 7 6
8091 P4027   [NOI2007] 货币兑换 0 / 0 6
9329 P5244   [USACO19FEB] Mowing Mischief P 0 / 0 7
9420 P5343   【XR-1】分块 0 / 0 4
10129 P6007   [USACO20JAN] Springboards G 0 / 0 5
9693 P6040   「ACOI2020」课后期末考试滑溜滑溜补习班 0 / 0 4
10303 P6173   [USACO16FEB] Circular Barn P 0 / 0 6
10424 P6525   「Wdoi-1」蓬莱玉枝 0 / 0 5
10809 P6734   「Wdsr-2」阴阳玉 0 / 0 6
11542 P7421   「PMOI-2」子序列 0 / 0 5
11609 P7435   简单的排列计数 0 / 0 6
11626 P7444   「EZEC-7」猜排列 0 / 0 5
11507 P7474   「C.E.L.U-02」学术精神 0 / 0 4
11750 P7483   50 年后的我们 0 / 0 6
11588 P7576   「PMOI-3」期望乘积 0 / 0 6
12407 P7962   [NOIP2021] 方差 0 / 0 6
12463 P7985   [USACO21DEC] Paired Up P 0 / 0 6
12567 P8096   [USACO22JAN] Drought G 0 / 0 5
12433 P8145   [JRKSJ R4] kth 0 / 0 6
12632 P8194   [USACO22FEB] Phone Numbers P 0 / 0 7
12719 P8275   [USACO22OPEN] 262144 Revisited P 0 / 0 7
12721 P8277   [USACO22OPEN] Up Down Subsequence P 0 / 0 6
12978 P8490   [IOI 2022] 鲶鱼塘 0 / 0 6
12830 P8863   「KDOI-03」构造数组 0 / 0 6
13256 P8864   「KDOI-03」序列变换 0 / 0 7
13377 P8983   「DROI」Round 1 失控 0 / 0 6
13744 P9415   「NnOI R1-T4」下楼 0 / 0 5
13929 P9476   [_-0 B] 地铁 0 / 0 6
14061 P9480   [NOI2023] 深搜 0 / 0 7
14047 P9594   「Daily OI Round 1」Memory 0 / 0 6
14707 P9985   [USACO23DEC] Train Scheduling P 0 / 0 6
14487 P10036   「FAOI-R2」A trip to Macao 0 / 0 5
14117 P10087   [ROIR 2022] 跳跃机器人 (Day 1) 0 / 0 4
14152 P10099   [ROIR 2023] 美丽序列 (Day 2) 0 / 0 5
14532 P10119   『STA - R4』踱步 0 / 0 5
14816 P10138   [USACO24JAN] Cowmpetency G 0 / 0 5
15401 P10538   [APIO2024] 星际列车 0 / 0 6
15057 P10879   「KDOI-07」对树链剖分的爱 0 / 0 6
15424 P11173   「CMOI R1」We Want To Run / Nilpotent 0 / 0 6
15656 P11216   【MX-J8-T4】 2048 0 / 0 6
16035 P11233   [CSP-S 2024] 染色 0 / 0 5
15816 P11292   【MX-S6-T4】「KDOI-11」彩灯晚会 0 / 0 6
16279 P11459   [USACO24DEC] It's Mooin' Time P 0 / 0 6
16339 P11491   [BalticOI 2023] Tycho 0 / 0 5
16462 P11598   [NOISG 2018 Finals] Safety 0 / 0 6
16736 P11835   [省选联考 2025] 封印 0 / 0 7
17045 P12074   [OOI 2025] The arithmetic exercise 0 / 0 7
17387 P12483   [集训队互测 2024] 人间应又雪 0 / 0 7
17371 P12495   [集训队互测 2024] 链覆盖 0 / 0 7
17737 P12882   [蓝桥杯 2025 国 C] 数列染色 0 / 0 4
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