446 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
13609 P13610  [NWRRC 2022] Mex and Cards 0 / 0 5
13034 P13696  「CyOI」出包魔法师 0 / 0 5
13614 P13730  【MGVOI R1-B】完美重排（sort） 0 / 0 3
13690 P13734  [JOIGST 2025] 雪球 2 / Snowball 2 0 / 0 3
13693 P13736  [JOIGST 2025] 日本浮现 / Japan Emerges 0 / 0 4
13717 P13750  [NWERC 2024] Limited Library 0 / 0 3
13568 P13762  Extended Fibonacci 0 / 0 3
13737 P13770  [CERC 2021] Radar 0 / 0 4
13740 P13773  [CERC 2021] Single-track railway 0 / 0 4
12997 P13790  「CZOI-R6」Border 0 / 0 5
13780 P13802  [SWERC 2023] Team selection 0 / 0 5
13422 P13824  「Diligent-OI R2 D」在水一方 0 / 0 4
13797 P13848  [CERC 2023] Drying Laundry 0 / 0 5
13820 P13859  [SWERC 2020] Safe Distance 0 / 0 4
13828 P13867  [SWERC 2020] Unique Activities 0 / 0 3
13078 P13907  「TFXOI Round 3」树的染色 0 / 0 4
13752 P13917  [PO Final 2024] 测面积 / Floor Area 0 / 0 3
13753 P13918  [PO Final 2024] 雪崩 / Avalanche 0 / 0 4
13899 P13931  [蓝桥杯 2022 省 Java B] 最少刷题数 0 / 0 3
13900 P13932  [蓝桥杯 2022 省 Java B] 求阶乘 0 / 0 3
13916 P13967  [VKOSHP 2024] Two Arrays 0 / 0 4
13928 P13977  数列分块入门 2 0 / 0 5
13946 P14004  [eJOI 2025] Vacation 0 / 0 5
13990 P14040  [PAIO 2025] Exhibition 0 / 0 4
13968 P14065  [PO Final 2022] 对弈 / Laserschack 0 / 0 4
13080 P14083  「CZOI-R7」括号 0 / 0 4
13133 P14115  [IAMOI R4] 木桶效应 0 / 0 3
14051 P14123  [SCCPC 2021] Hourly Coding Problem 0 / 0 6
14053 P14125  [SCCPC 2021] Monster Hunter 0 / 0 5
13866 P14132  【MX-X22-T3】「TPOI-4C」Another MEX Problem 0 / 0 4
13664 P14134  【MX-X22-T5】「TPOI-4E」Get MiN? Get MeX! 0 / 0 5
14127 P14213  [COI 2010] 橡树 / HRASTOVI 0 / 0 4
14105 P14222  [ICPC 2024 Kunming I] 收集硬币 0 / 0 6
14111 P14228  [ICPC 2024 Kunming I] 漫步野径 0 / 0 5
13936 P14255  列车（train） 0 / 0 5
14184 P14293  [JOI2024 预选赛 R2] 购物 2 / Shopping 2 0 / 0 3
14189 P14298  [JOI2023 预选赛 R2] JOI 运动会 / JOI04 0 / 0 3
12959 P14319  「ALFR Round 11」C1 开关灯 (switch) (ez ver.) 0 / 0 3
12961 P14320  「ALFR Round 11」C2 开关灯 (switch) (hd ver.) 0 / 0 5
14206 P14332  [JOI2021 预选赛 R2] 活动巡游 / Event Hopping 0 / 0 4
14207 P14333  [JOI2021 预选赛 R2] 安全检查 / Safety Inspection 0 / 0 4
14249 P14375  [JOISC 2018] 图书馆 / Library 0 / 0 5
14253 P14384  [JOISC 2017] 烟花棒 / Sparklers 0 / 0 7
14254 P14385  [JOISC 2017] 门票安排 / Arranging Tickets 0 / 0 7
14280 P14415  [JOISC 2015] 遗产继承 / Inheritance 0 / 0 5
14291 P14426  [JOISC 2014] 稻草人 / Scarecrows 0 / 0 6

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