ID 题目 显示标签 隐藏标签 AC / 尝试 难度
8915 loj3081   「2019 集训队互测 Day 5」简单计数 1 / 1 10
10530 loj3090   「BJOI2019」勘破神机 0 / 0 (无)
10533 loj3093   「BJOI2019」光线 0 / 0 (无)
2377 loj3235   「POI2020 R1」Przedszkole 1 / 1 10
10419 loj3393   「2020-2021 集训队作业」Game on Tree 1 / 1 10
10427 loj3401   「2020-2021 集训队作业」Old Problem 1 / 1 10
4407 loj3807   「HEOI2012」Akai 的数学作业 1 / 1 10
7457 loj3946   「春季测试 2023」幂次 1 / 1 10
7498 loj4054   「GDKOI-S 2024」鸡 1 / 6 10
7539 loj4834   「POI 2020/2021 R3」Kolekcjoner Bajtemonów 2 1 / 1 10
8985 loj4838   「POI 2020/2021 R3」Komunikacja międzyplanetarna 1 / 1 10
9549 loj4870   「PA 2025」Akwarium 1 / 2 10
5413 loj4900   「POI2015 R1」平方和 Squares 1 / 1 10
5499 loj4932   「POI2014 R3」太阳能板 Solar Panels 1 / 1 10
10948 loj4934   「EGOI2021」零的个数 1 / 3 10
6042 loj4969   「POI2015 R2」快速阅读课程 Speed reading course 1 / 1 10
5086 loj5008   「POI2013 R2」漫步 Walk 1 / 1 10
5763 loj5036   「POI2016 R2」不是 Nim 游戏 Not Nim 0 / 0 (无)
11046 loj5366   「OOI 2024 Day 2」三个数组 1 / 1 10
10339 loj5397   「ROI 2014 Day 2」电影学院 1 / 1 10
10349 loj5445   「ROI 2013 Day 2」海战 1 / 1 10
3171 loj5498   「POI2006 R2」仓库 Warehouse 1 / 1 10
9640 loj5558   「POI2026 R1」太空探测车 / Łazik kosmiczny 1 / 3 10
10689 loj5636   「PA 2015 Final」Kolorowania 0 / 1 10
12549 loj5710   「NordicOI 2026」Backrooms 1 / 1 10
12591 loj5750   「CCO 2026」Asymmetry 1 / 1 10
11166 loj6017   Shlw loves matrix I 0 / 0 (无)
11175 loj6026   「by hzq84621」集合 0 / 0 (无)
11176 loj6027   「from CommonAnts」质数计数 I 1 / 1 10
11177 loj6028   「from CommonAnts」质数计数 II 1 / 1 10
11162 loj6053   简单的函数 0 / 0 (无)
11163 loj6054   「from CommonAnts」一道数学题 0 / 0 (无)
11164 loj6055   「from CommonAnts」一道数学题 加强版 0 / 0 (无)
11165 loj6056   「2011 福建集训」最大团 0 / 0 (无)
11196 loj6080   ZQC 的预言 0 / 0 (无)
11199 loj6083   「美团 CodeM 资格赛」数码 0 / 0 (无)
11202 loj6086   Mr.Mo 的三元组 0 / 0 (无)
4875 loj6098   花神的浇花集会 0 / 0 (无)
11211 loj6156   A * B Problem 0 / 0 (无)
11214 loj6159   「美团 CodeM 初赛 Round A」最长树链 0 / 0 (无)
11215 loj6160   「美团 CodeM 初赛 Round A」二分图染色 0 / 0 (无)
11216 loj6161   「美团 CodeM 初赛 Round A」倒水 0 / 0 (无)
11220 loj6165   一道水题 0 / 0 (无)
11223 loj6169   相似序列 0 / 0 (无)
11233 loj6179   Pyh 的求和 0 / 0 (无)
11235 loj6181   某个套路求和题 1 / 1 10
11237 loj6183   看无可看 0 / 0 (无)
11247 loj6193   「美团 CodeM 复赛」神秘代号 0 / 0 (无)
11248 loj6194   「美团 CodeM 复赛」排列 0 / 0 (无)
11270 loj6220   sum 0 / 0 (无)
11271 loj6221   幂数! 0 / 0 (无)
11272 loj6222   幂数 !(加强版) 0 / 0 (无)
11273 loj6229   这是一道简单的数学题 0 / 0 (无)
11275 loj6231   GCD & XOR 0 / 0 (无)
11279 loj6235   区间素数个数 1 / 1 10
11285 loj6244   七选五 0 / 0 (无)
11288 loj6247   九个太阳 0 / 0 (无)
11289 loj6248   「CodePlus 2017 11 月赛」晨跑 1 / 1 10
11302 loj6261   一个人的高三楼 0 / 0 (无)
11306 loj6267   生成随机数 0 / 0 (无)
11310 loj6271   「长乐集训 2017 Day10」生成树求和 加强版 1 / 2 10
11357 loj6358   前夕 0 / 0 (无)
11366 loj6367   初始化 0 / 0 (无)
11382 loj6385   「ECNU Coder 2018」棋盘染色 0 / 0 (无)
10600 loj6389   「THUPC 2018」好图计数 / Count 0 / 0 (无)
10602 loj6391   「THUPC 2018」淘米神的树 / Tommy 0 / 0 (无)
10603 loj6392   「THUPC 2018」密码学第三次小作业 / Rsa 0 / 0 (无)
10608 loj6397   「THUPC 2018」蛋糕 / Cake 0 / 0 (无)
11388 loj6438   框出一个正方形 0 / 0 (无)
569 loj6440   万能欧几里得 9 / 19 7
11392 loj6464   「XXOI 2018」劳孙肉饼 0 / 0 (无)
11401 loj6485   LJJ 学二项式定理 0 / 0 (无)
10117 loj6501   「雅礼集训 2018 Day4」Cube 3 / 3 10
4679 loj6503   「雅礼集训 2018 Day4」Magic 3 / 14 9
10122 loj6508   「雅礼集训 2018 Day7」B 1 / 1 10
11410 loj6519   魔力环 0 / 0 (无)
11413 loj6534   有趣的题 0 / 0 (无)
11416 loj6538   烷基计数 加强版 加强版 0 / 0 (无)
11418 loj6540   无聊的数对 0 / 0 (无)
11422 loj6544   杀苍蝇 0 / 0 (无)
11433 loj6555   「CERC2018」The Silence of the Lamps 1 / 1 10
11453 loj6575   LJJ 学二项式定理 · 二 0 / 0 (无)
10613 loj6615   「THUPC 2019」鸽鸽的分割 / divide 0 / 0 (无)
10618 loj6620   「THUPC 2019」不等式 / inequality 0 / 0 (无)
10621 loj6623   「THUPC 2019」大碗宽面 / median 0 / 0 (无)
11460 loj6627   「XXOI 2019」等比数列三角形 0 / 0 (无)
11469 loj6671   EntropyIncreaser 与 Minecraft 1 / 1 10
11470 loj6672   「XXOI 2019」惠和惠惠和惠惠惠 1 / 1 10
11474 loj6676   EntropyIncreaser 与金字塔 1 / 1 10
11480 loj6682   梦中的数论 1 / 1 10
11483 loj6685   迷宫 1 / 1 10
11486 loj6688   最大团计数 1 / 1 10
11487 loj6689   「MtOI2019」永夜的报应 1 / 1 10
11488 loj6690   「MtOI2019」灵梦的计算器 1 / 1 10
11489 loj6691   「MtOI2019」小铃的烦恼 1 / 1 10
11490 loj6692   「MtOI2019」幻想乡数学竞赛 1 / 1 10
9781 loj6694   「MtOI2019」埋骨于弘川 1 / 1 10
9764 loj6711   「RCOI2019」相似 1 / 1 10
9760 loj6715   最大净商问题 1 / 1 10
9757 loj6718   九个太阳「弱」化版 1 / 1 10

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