453 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
13609 P13610   [NWRRC 2022] Mex and Cards 0 / 0 7
13034 P13696   「CyOI」出包魔法师 0 / 0 7
13614 P13730   【MGVOI R1-B】完美重排（sort） 0 / 0 5
13690 P13734   [JOIGST 2025] 雪球 2 / Snowball 2 0 / 0 5
13693 P13736   [JOIGST 2025] 日本浮现 / Japan Emerges 0 / 0 6
13717 P13750   [NWERC 2024] Limited Library 0 / 0 5
13568 P13762   Extended Fibonacci 0 / 0 5
13737 P13770   [CERC 2021] Radar 0 / 0 6
13740 P13773   [CERC 2021] Single-track railway 0 / 0 6
12997 P13790   「CZOI-R6」Border 0 / 0 7
13780 P13802   [SWERC 2023] Team selection 0 / 0 7
13422 P13824   「Diligent-OI R2 D」在水一方 0 / 0 6
13797 P13848   [CERC 2023] Drying Laundry 0 / 0 7
13820 P13859   [SWERC 2020] Safe Distance 0 / 0 6
13828 P13867   [SWERC 2020] Unique Activities 0 / 0 5
13078 P13907   「TFXOI Round 3」树的染色 0 / 0 6
13752 P13917   [PO Final 2024] 测面积 / Floor Area 0 / 0 5
13753 P13918   [PO Final 2024] 雪崩 / Avalanche 0 / 0 6
13899 P13931   [蓝桥杯 2022 省 Java B] 最少刷题数 0 / 0 5
13900 P13932   [蓝桥杯 2022 省 Java B] 求阶乘 0 / 0 5
13916 P13967   [VKOSHP 2024] Two Arrays 0 / 0 6
13928 P13977   数列分块入门 2 0 / 0 7
13946 P14004   [eJOI 2025] Vacation 0 / 0 7
13990 P14040   [PAIO 2025] Exhibition 0 / 0 6
13968 P14065   [PO Final 2022] 对弈 / Laserschack 0 / 0 6
13080 P14083   「CZOI-R7」括号 0 / 0 6
13133 P14115   [IAMOI R4] 木桶效应 0 / 0 5
14051 P14123   [SCCPC 2021] Hourly Coding Problem 0 / 0 8
14053 P14125   [SCCPC 2021] Monster Hunter 0 / 0 7
13866 P14132   【MX-X22-T3】「TPOI-4C」Another MEX Problem 0 / 0 6
13664 P14134   【MX-X22-T5】「TPOI-4E」Get MiN? Get MeX! 0 / 0 7
14127 P14213   [COI 2010] 橡树 / HRASTOVI 0 / 0 6
14105 P14222   [ICPC 2024 Kunming I] 收集硬币 0 / 0 8
14111 P14228   [ICPC 2024 Kunming I] 漫步野径 0 / 0 7
13936 P14255   列车（train） 0 / 0 7
14184 P14293   [JOI2024 预选赛 R2] 购物 2 / Shopping 2 0 / 0 5
14189 P14298   [JOI2023 预选赛 R2] JOI 运动会 / JOI04 0 / 0 5
12959 P14319   「ALFR Round 11」C1 开关灯 (switch) (ez ver.) 0 / 0 5
12961 P14320   「ALFR Round 11」C2 开关灯 (switch) (hd ver.) 0 / 0 7
14206 P14332   [JOI2021 预选赛 R2] 活动巡游 / Event Hopping 0 / 0 6
14207 P14333   [JOI2021 预选赛 R2] 安全检查 / Safety Inspection 0 / 0 6
14249 P14375   [JOISC 2018] 图书馆 / Library 0 / 0 7
14253 P14384   [JOISC 2017] 烟花棒 / Sparklers 0 / 0 9
14254 P14385   [JOISC 2017] 门票安排 / Arranging Tickets 0 / 0 9
14280 P14415   [JOISC 2015] 遗产继承 / Inheritance 0 / 0 7
14291 P14426   [JOISC 2014] 稻草人 / Scarecrows 0 / 0 8
14321 P14478   手心 0 / 0 5
14340 P14507   缺零分治 mexdnc 0 / 0 6
14482 P14562   宇宙 0 / 0 6
14326 P14575   坤班 0 / 0 5
14316 P14576   Lamborghini (Remix) 0 / 0 5
14352 P14591   [LNCPC 2025] Kanon 0 / 0 8
14514 P14635   [NOIP2025] 糖果店 / candy（官方数据） 1 / 1 5

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