ID Problem Show tags Hide tags AC / Tried Difficulty
13553 P13538   [IOI 2025] Festival 0 / 0 9
12942 P13557   【MX-X15-T4】炸鱼鱼 0 / 0 6
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 7
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 1 / 1 5
14617 P14665   [KenOI 2025] 序列题 0 / 0 6
14717 P14684   [ICPC 2025 Yokohama R] Cutting Tofu 0 / 0 5
14729 P14717   [RMI 2025] 猜排列 / Guess Permutation 0 / 0 8
14779 P14739   [ICPC 2021 Seoul R] John' s Gift 0 / 0 6
14802 P14774   [ICPC 2024 Seoul R] Street Development 0 / 0 6
14826 P14782   [NERC 2025] Alphabet City 0 / 0 3
14832 P14788   [NERC 2025] Greta' s Game 0 / 0 7
14843 P14798   [JOI 2026 二次预选] 购物 3 / Shopping 3 0 / 0 6
14821 P14811   [CCPC 2024 哈尔滨站] 农场经营 0 / 0 5
14857 P14824   [ICPC 2023 Yokohama R] Probing the Disk 0 / 0 6
14640 P14828   彻彻崩 0 / 0 8
14859 P14843   [ICPC 2022 Yokohama R] Interactive Number Guessing 0 / 0 5
14908 P14862   [ICPC 2021 Yokohama R] The Cross Covers Everything 0 / 0 6
14916 P14868   [ICPC 2020 Yokohama R] Jewelry Size 0 / 0 6
14951 P14903   [ICPC 2018 Yokohama R] Sixth Sense 0 / 0 7
14961 P14917   [GESP202512 五级] 数字移动 0 / 0 5
14604 P14940   「FAOI-R10」春运 0 / 0 8
14586 P14941   「FAOI-R10」梦 0 / 0 9
14561 P14988   多边形 0 / 0 5
15052 P15008   [UOI 2019 II Stage] 狼人杀 0 / 0 5
15055 P15011   [UOI 2019 II Stage] 土豆 0 / 0 8
15065 P15019   [UOI 2020 II Stage] 倍乘 0 / 0 7
15070 P15024   [UOI 2020 II Stage] 修理帕萨特 0 / 0 5
15078 P15029   [UOI 2021 II Stage] 酷子串 0 / 0 6
14988 P15039    「chaynOI R2 T4」无限的信息 0 / 0 8
15095 P15048   [UOI 2022 II Stage] 树 2 0 / 0 7
15109 P15059   [UOI 2023 II Stage] Product 0 / 0 7
15117 P15069   [UOI 2024 II Stage] Disco 0 / 0 5
15141 P15097   [ICPC 2025 LAC] Coatless in Yakutsk 0 / 0 3
15149 P15105   [ICPC 2025 LAC] Keep Fighting 0 / 0 6
15191 P15135   [SWERC 2025] Adjusting Drones 0 / 0 6
15239 P15175   [SWERC 2021] Ice Cream Shop 0 / 0 6
15208 P15215   [NWERC 2025] Juggling Keys 0 / 0 6
15293 P15240   [NHSPC 2025] 解碼密鑰 0 / 0 5
15180 P15260   [USACO26JAN2] Balancing the Barns G 0 / 0 6
15335 P15296   [ROI 2012 Day 1] apricot 杏干 0 / 0 (None)
15337 P15298   [ROI 2012 Day 2] mosaic 马赛克 0 / 0 6
14681 P15303   『NFC-OI R1』序列陆 0 / 0 6
14660 P15322   【MX-X24-T3】「RiOI-7」自行车 0 / 0 6
15008 P15356   「LCOI R2 T2」The Ordeal 0 / 0 7
15186 P15366   [IOI 2013] Cave 0 / 0 6
15125 P15370   『ICerOI Round 1』这是兔兔,她很可爱 0 / 0 8
14582 P15426   Time to Heal 0 / 0 9
15417 P15437   [蓝桥杯 2025 国 Python B] 机器人充电站规划 0 / 0 6
15317 P15446   「IXOI R1」BA BA 博弈 0 / 0 7

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