| 
          
         | 
        21113 | 
                
              luoguB4120
  [语言月赛 202501] 数字谜
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21130 | 
                
              luoguB4121
  [语言月赛 202501] 会场座位
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21131 | 
                
              luoguB4122
  [语言月赛 202501] Pollard-Rho
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21137 | 
                
              luoguB4123
  [语言月赛 202501] 检票
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21138 | 
                
              luoguB4124
  [语言月赛 202501] 右箭头
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21142 | 
                
              luoguB4125
  [语言月赛 202501] 知识竞赛
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21159 | 
                
              luoguB4126
  [语言月赛 202501] 古希腊掌管节奏的神
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21161 | 
                
              luoguB4127
  [语言月赛 202501] 分队平衡
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21167 | 
                
              luoguB4142
  [语言月赛 202502] 蛋挞烤制
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21168 | 
                
              luoguB4143
  [语言月赛 202502] 地铁环线
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21156 | 
                
              luoguB4144
  [语言月赛 202502] 随机数
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21212 | 
                
              luoguB4145
  [语言月赛 202502] 披萨订单
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21214 | 
                
              luoguB4146
  [语言月赛 202502] 本俗妙手不如举手
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21158 | 
                
              luoguB4147
  [语言月赛 202502] 沿轴求和
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21157 | 
                
              luoguB4148
  [语言月赛 202502] IPv6
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        19349 | 
                
              luoguB4149
  [语言月赛 202502] 积木重合
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21445 | 
                
              luoguB4237
  [海淀区小学组 2025] 硬币重量
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21446 | 
                
              luoguB4238
  [海淀区小学组 2025] 分数方程
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21447 | 
                
              luoguB4239
  [海淀区小学组 2025] 拜访朋友
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21448 | 
                
              luoguB4240
  [海淀区小学组 2025] 最短字符串
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21449 | 
                
              luoguB4241
  [海淀区小学组 2025] 统计数对
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21450 | 
                
              luoguB4242
  [海淀区小学组 2025] 蜂窝网络
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21462 | 
                
              luoguB4243
  [语言月赛 202503] 长方形
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21463 | 
                
              luoguB4244
  [语言月赛 202503] 水流
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21464 | 
                
              luoguB4245
  [语言月赛 202503] 格式转换器
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21465 | 
                
              luoguB4246
  [语言月赛 202503] 环形游走
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21466 | 
                
              luoguB4247
  [语言月赛 202503] 半个哥德巴赫猜想
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21467 | 
                
              luoguB4248
  [语言月赛 202503] 数字棋盘
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21468 | 
                
              luoguB4249
  [语言月赛 202503] 洗牌
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21469 | 
                
              luoguB4250
  [语言月赛 202503] 蛋挞制作工坊
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21519 | 
                
              luoguB4257
  [GESP202503 一级] 图书馆里的老鼠
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21520 | 
                
              luoguB4258
  [GESP202503 一级] 四舍五入
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21521 | 
                
              luoguB4259
  [GESP202503 二级] 等差矩阵
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21522 | 
                
              luoguB4260
  [GESP202503 二级] 时间跨越
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21523 | 
                
              luoguB4261
  [GESP202503 三级] 2025
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21524 | 
                
              luoguB4262
  [GESP202503 三级] 词频统计
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21525 | 
                
              luoguB4263
  [GESP202503 四级] 荒地开垦
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21526 | 
                
              luoguB4264
  [GESP202503 四级] 二阶矩阵
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21628 | 
                
              luoguB4312
  [语言月赛 202504] 炸鸡奶茶
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21629 | 
                
              luoguB4313
  [语言月赛 202504] 洛谷月赛
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21630 | 
                
              luoguB4314
  [语言月赛 202504] 魔方回收
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21639 | 
                
              luoguB4315
  [语言月赛 202504] 地铁停靠
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21646 | 
                
              luoguB4316
  [语言月赛 202504] 整除判断
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        21648 | 
                
              luoguB4317
  [语言月赛 202504] 金币收集
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21649 | 
                
              luoguB4318
  [语言月赛 202504] 古诗求和
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21707 | 
                
              luoguB4319
  [语言月赛 202504] 礼堂预约
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21132 | 
                
              luoguP11520
  [THUPC 2025 初赛] 骑行计划
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21133 | 
                
              luoguP11521
  [THUPC 2025 初赛] 挑战大模型
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21120 | 
                
              luoguP11522
  [THUPC 2025 初赛] Harmful Machine Learning
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21117 | 
                
              luoguP11523
  [THUPC 2025 初赛] 摊位分配
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21118 | 
                
              luoguP11524
  [THUPC 2025 初赛] 背向而行
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21119 | 
                
              luoguP11525
  [THUPC 2025 初赛] 排序大师 2
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        21134 | 
                
              luoguP11526
  [THUPC 2025 初赛] Imyourfan
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        21129 | 
                
              luoguP11527
  [THUPC 2025 初赛] waht 先生的法阵
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21121 | 
                
              luoguP11528
  [THUPC 2025 初赛] 乒乓球赛
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21135 | 
                
              luoguP11529
  [THUPC 2025 初赛] 辞甲猾扎
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21122 | 
                
              luoguP11530
  [THUPC 2025 初赛] 峰回路转
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        21123 | 
                
              luoguP11531
  [THUPC 2025 初赛] 检查站
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        21136 | 
                
              luoguP11532
  [THUPC 2025 初赛] 好成绩
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        19157 | 
                
              luoguP11616
  [PumpkinOI Round 1] 瓦解
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        20458 | 
                
              luoguP11617
  [PumpkinOI Round 1] 递推
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        20742 | 
                
              luoguP11618
  [PumpkinOI Round 1] 造树据
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        20878 | 
                
              luoguP11619
  [PumpkinOI Round 1] 种南瓜
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        14490 | 
                
              luoguP11620
  [Ynoi Easy Round 2025] TEST_34
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21193 | 
                
              luoguP11621
  [Ynoi Easy Round 2025] TEST_139
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21194 | 
                
              luoguP11622
  [Ynoi Easy Round 2025] TEST_176
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21201 | 
                
              luoguP11649
  [COCI 2024/2025 #4] 棋 / Šah
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        21202 | 
                
              luoguP11650
  [COCI 2024/2025 #4] 力 / Benzinska
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21203 | 
                
              luoguP11651
  [COCI 2024/2025 #4] Xor
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        21204 | 
                
              luoguP11652
  [COCI 2024/2025 #4] 鞋 / Cipele(疑似错题)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        21205 | 
                
              luoguP11653
  [COCI 2024/2025 #4] 猫 / Tura Mačkica
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        20845 | 
                
              luoguP11654
  「FAOI-R5」becoder
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        20750 | 
                
              luoguP11655
  「FAOI-R5」Lovely 139
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        19674 | 
                
              luoguP11656
  「FAOI-R5」喷酒大赛
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        19912 | 
                
              luoguP11657
  「FAOI-R5」datealive
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        20278 | 
                
              luoguP11658
  「FAOI-R5」波特检测
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21217 | 
                
              luoguP11662
  [JOI 2025 Final] 方格染色 / Grid Coloring
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21218 | 
                
              luoguP11663
  [JOI 2025 Final] 勇者比太郎 2 / Bitaro the Brave 2
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21225 | 
                
              luoguP11664
  [JOI 2025 Final] 缆车 / Mi Teleférico
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        21226 | 
                
              luoguP11665
  [JOI 2025 Final] 只不过是长的领带 2 / Just Long Neckties 2
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21227 | 
                
              luoguP11666
  [JOI 2025 Final] 邮局 / Post Office
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        21195 | 
                
              luoguP11667
  [USACO25JAN] Astral Superposition B
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21196 | 
                
              luoguP11668
  [USACO25JAN] It's Mooin' Time II B
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21197 | 
                
              luoguP11669
  [USACO25JAN] Cow Checkups B
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        21198 | 
                
              luoguP11670
  [USACO25JAN] Cow Checkups S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21199 | 
                
              luoguP11671
  [USACO25JAN] Farmer John's Favorite Operation S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21200 | 
                
              luoguP11672
  [USACO25JAN] Table Recovery S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21222 | 
                
              luoguP11673
  [USACO25JAN] Median Heap G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        21223 | 
                
              luoguP11674
  [USACO25JAN] Reachable Pairs G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21224 | 
                
              luoguP11675
  [USACO25JAN] Photo Op G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        21219 | 
                
              luoguP11676
  [USACO25JAN] DFS Order P
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        21220 | 
                
              luoguP11677
  [USACO25JAN] Shock Wave P
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        21221 | 
                
              luoguP11678
  [USACO25JAN] Watering the Plants P
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        21235 | 
                
              luoguP11690
  [Ynoi Hard Round 2025] 《十字神名的预言者》理解(色彩)
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        21236 | 
                
              luoguP11691
  [Ynoi Hard Round 2025] 《十字神名的预言者》慈悲(色彩)
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        21767 | 
                
              luoguP11692
  [Ynoi Hard Round 2025] 《十字神名的预言者》宏伟(色彩)
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        18755 | 
                
              luoguP11693
  [JRKSJ ExR] 构造字符串使得
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        21029 | 
                
              luoguP11694
  [JRKSJ ExR] 淇宝的划分
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        20934 | 
                
              luoguP11695
  [JRKSJ ExR] 昼寝
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        20611 | 
                
              luoguP11696
  [JRKSJ ExR] 七影蝶
         | 
        0 / 0 | 
        7 |