ID 题目 显示标签 隐藏标签 AC / 尝试 难度
10527 loj2512   「BJOI2018」链上二次求和 1 / 1 10
10378 loj2555   「CTSC2018」混合果汁 1 / 1 10
10753 loj2558   「LNOI2014」LCA 1 / 1 10
4008 loj2630   「BalticOI 2011 Day1」种树 Growing Trees 1 / 2 10
2752 loj2650   「POI2007 R1」树 Trees 3 / 11 9
2756 loj2656   「POI2007 R2」大都市 Megalopolis 9 / 17 7
2762 loj2662   「POI2007 R3」堆积木 Building Blocks 7 / 22 7
5788 loj2709   「BalticOI 2015」黑客 2 / 2 10
3974 loj2745   「CTSC2011」字符串重排 1 / 1 10
10247 loj2767   「ROI 2017 Day 1」排序幻觉 1 / 1 10
10086 loj2849   「ROI 2018 Day 2」机器人马拉松 0 / 0 (无)
10087 loj2850   「ROI 2018 Day 2」无进位加法 0 / 0 (无)
10781 loj2979   「THUSCH 2017」换桌 1 / 1 10
10780 loj2980   「THUSCH 2017」大魔法师 1 / 1 10
2671 loj2986   「SHOI2008」堵塞的交通 10 / 28 6
10359 loj2987   「CTSC2016」时空旅行 1 / 2 10
3755 loj3009   「POI2010」单调性 2 Monotonicity 2 1 / 1 10
1652 loj3068   「2019 集训队互测 Day 1」学习轨迹 1 / 2 10
8910 loj3076   「2019 集训队互测 Day 3」公园 1 / 2 10
8916 loj3082   「2019 集训队互测 Day 5」小水题 1 / 1 10
10534 loj3094   「BJOI2019」删数 0 / 0 (无)
2419 loj3166   「CEOI2019」魔法树 1 / 2 10
2201 loj3188   「ROI 2019 Day1」无人驾驶出租车 1 / 3 10
10720 loj3220   「PA 2019」Terytoria 1 / 1 10
10721 loj3221   「PA 2019」Szprotki i szczupaki 1 / 1 10
5307 loj3290   「CEOI2014」蛋糕 0 / 1 10
10633 loj3321   「CCO 2020」区间收藏 1 / 1 10
10560 loj3356   「BalticOI 2017 Day1」Toll 1 / 1 10
6674 loj3523   「IOI2021」分糖果 1 / 3 10
10627 loj3581   「CCO 2021」面包优先搜索 1 / 1 10
8924 loj3634   「2021 集训队互测」音符大师 1 / 3 10
8942 loj3652   「2021 集训队互测」海胆 1 / 1 10
8951 loj3661   「2021 集训队互测」蜘蛛爬树 1 / 1 10
4411 loj3811   「HEOI2012」旅行问题 2 / 8 10
7276 loj3813   「CEOI2022」Abracadabra 1 / 3 10
7459 loj3948   「春季测试 2023」密码锁 1 / 1 10
7322 loj4020   「CEOI2023」Tricks of the Trade 1 / 3 10
7325 loj4033   「CCO 2023」Real Mountains 1 / 1 10
7499 loj4055   「GDKOI-S 2024」不休陀螺 9 / 55 8
7564 loj4168   「CCO 2024」Summer Driving 1 / 1 10
7566 loj4170   「CCO 2024」Heavy Light Decomposition 1 / 1 10
7350 loj4188   「BalticOI 2023」Tycho 1 / 1 10
7386 loj4196   「BalticOI 2024」Tiles 2 / 6 10
7387 loj4197   「BalticOI 2024」Flooding Wall 1 / 1 10
7407 loj4261   「KTSC 2024 R2」跳跃游戏 1 / 1 10
7535 loj4829   「POI 2020/2021 R2」Pakowanie plecaka 1 / 1 10
8984 loj4837   「POI 2020/2021 R3」Surowa zima 1 / 1 10
8986 loj4839   「POI 2020/2021 R3」Nawiasowania 1 / 1 10
9558 loj4879   「PA 2025」Podciągi 1 / 1 10
5412 loj4899   「POI2015 R1」影迷 Movie-goer 1 / 1 10
10949 loj4935   「EGOI2021」卢娜爱磕 cp 1 / 1 10
6047 loj4967   「POI2015 R2」项链分割 Necklace partition 2 / 2 10
6048 loj4968   「POI2015 R2」沙漠 Desert 1 / 1 10
6049 loj4970   「POI2015 R2」三座塔 Three towers 1 / 1 10
2788 loj5108   「POI2009 R2」冰鞋 Ice Skates 7 / 12 9
9598 loj5142   「CCO 2025」Restaurant Recommendation Rescue 1 / 1 10
11015 loj5184   「PA 2017」Zapiekanki 2 1 / 1 10
10967 loj5221   「UOI 2023 Stage 4 Day1」数组与部分和 1 / 3 10
10975 loj5229   「UOI 2021 Stage 4 Day1」树上的强盗 1 / 1 10
10977 loj5231   「UOI 2021 Stage 4 Day2」科扎克·武斯与最大公约数 1 / 1 10
10979 loj5233   「UOI 2021 Stage 4 Day2」敌人与军刀 1 / 1 10
10990 loj5244   「NOISG 2020 Final」Progression 1 / 1 10
11001 loj5256   「NOISG 2022 Final」Fruits 1 / 1 10
11005 loj5260   「NOISG 2023 Final」Curtains 1 / 1 10
8976 loj5329   「清华集训 2024」最大匹配 2 1 / 4 10
11047 loj5367   「OOI 2024 Day 2」伯伦卡与 Pether 1 / 1 10
11048 loj5368   「OOI 2024 Day 2」几乎确定 0 / 1 10
11050 loj5370   「OOI 2023 Day 1」汽油价格 1 / 1 10
11052 loj5372   「OOI 2023 Day 1」音乐节 1 / 1 10
11053 loj5373   「OOI 2023 Day 2」子串小问题 1 / 1 10
10337 loj5395   「ROI 2014 Day 1」彼得与机器人 0 / 1 10
10342 loj5400   「ROI 2014 Day 2」乌拉尔高速公路 1 / 1 10
10347 loj5443   「ROI 2013 Day 2」星际之旅 1 / 1 10
10355 loj5459   「ROI 2012 Day 2」马赛克 1 / 1 10
9638 loj5556   「POI2026 R1」Dostawy 2 / 5 10
9660 loj5618   「KTSC 2026 R1」平衡序列 1 / 1 10
9661 loj5619   「KTSC 2026 R1」通信网络 2 1 / 1 10
9663 loj5621   「KTSC 2026 R1」精彩区间 2 1 / 1 10
9667 loj5625   「KTSC 2026 R2」观测塔 1 / 2 10
11182 loj5663   「JOI 2026 Final Day1」传说中的团子美食家 1 / 1 10
11171 loj6022   重组病毒 0 / 0 (无)
10088 loj6029   「雅礼集训 2017 Day1」市场 4 / 15 9
10090 loj6032   「雅礼集训 2017 Day2」水箱 3 / 26 9
10092 loj6034   「雅礼集训 2017 Day2」线段游戏 3 / 14 9
10504 loj6057   「HNOI2016」序列(加强版) 0 / 0 (无)
4872 loj6095   花神的嘲讽计划 14 / 101 8
11240 loj6186   Attack 0 / 0 (无)
11243 loj6189   Philosopher 0 / 0 (无)
11258 loj6208   树上询问 0 / 0 (无)
11278 loj6234   彩色弹珠 0 / 0 (无)
11294 loj6253   「CodePlus 2017 11 月赛」Yazid 的新生舞会 1 / 1 10
11299 loj6258   「CodePlus 2017 12 月赛」火锅盛宴 1 / 1 10
11315 loj6276   果树 0 / 0 (无)
11317 loj6287   诗歌 0 / 0 (无)
11348 loj6346   线段树:关于时间 0 / 0 (无)
10607 loj6396   「THUPC 2018」弗雷兹的玩具商店 / Toyshop 0 / 0 (无)
11400 loj6484   LJJ 爱数书 0 / 0 (无)
10114 loj6498   「雅礼集训 2018 Day2」农民 3 / 33 9
10121 loj6507   「雅礼集训 2018 Day7」A 2 / 62 10
10122 loj6508   「雅礼集训 2018 Day7」B 1 / 1 10

分类

试试手气

根据当前过滤条件随机选择一道题