436 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
13125 P13500  「Cfz Round 6」Kyu-kurarin 0 / 0 3
13505 P13514  [KOI 2025 #1] 干草堆 0 / 0 5
13525 P13528  [OOI 2023] Gasoline prices / 油价 0 / 0 7
13530 P13533  [OOI 2023] 寻找假币 0 / 0 7
13546 P13538  [IOI 2025] Festival 0 / 0 7
12949 P13557  【MX-X15-T4】炸鱼鱼 0 / 0 4
13601 P13610  [NWRRC 2022] Mex and Cards 0 / 0 5
13033 P13696  「CyOI」出包魔法师 0 / 0 5
13606 P13730  【MGVOI R1-B】完美重排（sort） 0 / 0 3
13681 P13734  [JOIGST 2025] 雪球 2 / Snowball 2 0 / 0 3
13684 P13736  [JOIGST 2025] 日本浮现 / Japan Emerges 0 / 0 4
13708 P13750  [NWERC 2024] Limited Library 0 / 0 3
13560 P13762  Extended Fibonacci 0 / 0 3
13726 P13770  [CERC 2021] Radar 0 / 0 4
13729 P13773  [CERC 2021] Single-track railway 0 / 0 4
13001 P13790  「CZOI-R6」Border 0 / 0 5
13769 P13802  [SWERC 2023] Team selection 0 / 0 5
13415 P13824  「Diligent-OI R2 D」在水一方 0 / 0 4
13786 P13848  [CERC 2023] Drying Laundry 0 / 0 5
13809 P13859  [SWERC 2020] Safe Distance 0 / 0 4
13817 P13867  [SWERC 2020] Unique Activities 0 / 0 3
13076 P13907  「TFXOI Round 3」树的染色 0 / 0 4
13741 P13917  [PO Final 2024] 测面积 / Floor Area 0 / 0 3
13742 P13918  [PO Final 2024] 雪崩 / Avalanche 0 / 0 4
13886 P13931  [蓝桥杯 2022 省 Java B] 最少刷题数 0 / 0 3
13887 P13932  [蓝桥杯 2022 省 Java B] 求阶乘 0 / 0 3
13903 P13967  [VKOSHP 2024] Two Arrays 0 / 0 4
13915 P13977  数列分块入门 2 0 / 0 5
13931 P14004  [eJOI 2025] Vacation 0 / 0 5
13974 P14040  [PAIO 2025] Exhibition 0 / 0 4
13952 P14065  [PO Final 2022] 对弈 / Laserschack 0 / 0 4
13078 P14083  「CZOI-R7」括号 0 / 0 4
13127 P14115  [IAMOI R4] 木桶效应 0 / 0 3
13855 P14132  【MX-X22-T3】「TPOI-4C」Another MEX Problem 0 / 0 4
13655 P14134  【MX-X22-T5】「TPOI-4E」Get MiN? Get MeX! 0 / 0 5
14086 P14213  [COI 2010] 橡树 / HRASTOVI 0 / 0 4

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