| 
          
         | 
        1219 | 
                
              1219
  Synchronized Players
         | 
        1 / 1 | 
        10 | 
      
      
        | 
          
         | 
        1220 | 
                
              1220
  Knights of Ni S
         | 
        2 / 2 | 
        10 | 
      
      
        | 
          
         | 
        1221 | 
                
              1221
  八皇后 Checker Challenge
         | 
        2 / 2 | 
        10 | 
      
      
        | 
          
         | 
        1222 | 
                
              1222
  Scales S
         | 
        2 / 6 | 
        10 | 
      
      
        | 
          
         | 
        1223 | 
                
              1223
  [SHOI2002] 滑雪
         | 
        2 / 11 | 
        10 | 
      
      
        | 
          
         | 
        1224 | 
                
              1224
  字符替换
         | 
        2 / 3 | 
        10 | 
      
      
        | 
          
         | 
        1225 | 
                
              1225
  比较两个字符串的大小(不使用strcmp)
         | 
        2 / 25 | 
        9 | 
      
      
        | 
          
         | 
        1226 | 
                
              1226
  连接两个字符串2(不适用strncat)
         | 
        3 / 10 | 
        10 | 
      
      
        | 
          
         | 
        1227 | 
                
              1227
  连接两个字符串2(不使用strncat)
         | 
        2 / 6 | 
        10 | 
      
      
        | 
          
         | 
        1228 | 
                
              1228
  寻找子串(不使用strstr)
         | 
        2 / 33 | 
        9 | 
      
      
        | 
          
         | 
        1229 | 
                
              1229
  单词替换
         | 
        2 / 14 | 
        9 | 
      
      
        | 
          
         | 
        1230 | 
                
              1230
  单词过滤(不使用strstr)
         | 
        2 / 10 | 
        10 | 
      
      
        | 
          
         | 
        1231 | 
                
              1231
  删除后缀
         | 
        2 / 6 | 
        10 | 
      
      
        | 
          
         | 
        1232 | 
                
              1232
  统计单词数
         | 
        3 / 24 | 
        9 | 
      
      
        | 
          
         | 
        1233 | 
                
              1233
  单词翻转
         | 
        2 / 3 | 
        10 | 
      
      
        | 
          
         | 
        1234 | 
                
              1234
  单词翻转(2)
         | 
        2 / 8 | 
        10 | 
      
      
        | 
          
         | 
        1235 | 
                
              1235
  解密
         | 
        2 / 19 | 
        9 | 
      
      
        | 
          
         | 
        1236 | 
                
              1236
  单词加密(1)
         | 
        3 / 5 | 
        10 | 
      
      
        | 
          
         | 
        1237 | 
                
              1237
  单词加密(2)
         | 
        3 / 5 | 
        10 | 
      
      
        | 
          
         | 
        1238 | 
                
              1238
  表达式求值
         | 
        2 / 5 | 
        10 | 
      
      
        | 
          
         | 
        1239 | 
                
              1239
  修改链表
         | 
        2 / 6 | 
        10 | 
      
      
        | 
          
         | 
        1240 | 
                
              1240
  次大值求和
         | 
        2 / 2 | 
        10 | 
      
      
        | 
          
         | 
        1241 | 
                
              1241
  [CSP-J2021] 小熊的果篮
         | 
        2 / 7 | 
        10 | 
      
      
        | 
          
         | 
        1242 | 
                
              1242
  车厢调度
         | 
        2 / 13 | 
        9 | 
      
      
        | 
          
         | 
        1243 | 
                
              1243
  单链表
         | 
        2 / 5 | 
        10 | 
      
      
        | 
          
         | 
        1244 | 
                
              1244
  双链表
         | 
        2 / 2 | 
        10 | 
      
      
        | 
          
         | 
        588 | 
                
              P1258
  Agri-Net
         | 
        1 / 42 | 
        10 | 
      
      
        | 
          
         | 
        1274 | 
                
              1274
  最好的羁绊
         | 
        3 / 4 | 
        10 | 
      
      
        | 
          
         | 
        1275 | 
                
              1275
  好数
         | 
        2 / 2 | 
        10 | 
      
      
        | 
          
         | 
        1276 | 
                
              1276
  我没有说谎
         | 
        1 / 6 | 
        10 | 
      
      
        | 
          
         | 
        1277 | 
                
              1277
  产品加工
         | 
        1 / 3 | 
        10 | 
      
      
        | 
          
         | 
        1280 | 
                
              1280
  硝基甲苯之袭
         | 
        1 / 3 | 
        10 | 
      
      
        | 
          
         | 
        1281 | 
                
              1281
  数值膨胀之美
         | 
        1 / 10 | 
        10 | 
      
      
        | 
          
         | 
        1283 | 
                
              1283
  硝基甲苯之魇
         | 
        1 / 9 | 
        10 | 
      
      
        | 
          
         | 
        1309 | 
                
              1309
  三带一
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        847 | 
                
              P1312
  矩阵的舞蹈
         | 
        3 / 3 | 
        10 | 
      
      
        | 
          
         | 
        845 | 
                
              P1317
  矩阵下三角元素之和
         | 
        9 / 15 | 
        7 | 
      
      
        | 
          
         | 
        846 | 
                
              P1319
  对称矩阵的判定
         | 
        5 / 7 | 
        9 | 
      
      
        | 
          
         | 
        848 | 
                
              P1321
  矩阵的旋转
         | 
        3 / 9 | 
        10 | 
      
      
        | 
          
         | 
        821 | 
                
              P1356
  The Balance
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1367 | 
                
              1367
  Tokitsukaze and Balance String (easy)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1368 | 
                
              1368
  Tokitsukaze and Balance String (hard)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1375 | 
                
              1375
  矩形染色
         | 
        14 / 40 | 
        6 | 
      
      
        | 
          
         | 
        1376 | 
                
              1376
  五彩斑斓
         | 
        13 / 97 | 
        8 | 
      
      
        | 
          
         | 
        1049 | 
                
              P1377
  整除
         | 
        7 / 17 | 
        8 | 
      
      
        | 
          
         | 
        1377 | 
                
              1377
  SOS字符串
         | 
        13 / 28 | 
        5 | 
      
      
        | 
          
         | 
        1378 | 
                
              1378
  一个真实的故事
         | 
        4 / 31 | 
        9 | 
      
      
        | 
          
         | 
        1379 | 
                
              1379
  number
         | 
        13 / 22 | 
        5 | 
      
      
        | 
          
         | 
        1381 | 
                
              1381
   burst
         | 
        6 / 64 | 
        9 | 
      
      
        | 
          
         | 
        1383 | 
                
              1383
  gossip
         | 
        12 / 49 | 
        7 | 
      
      
        | 
          
         | 
        1384 | 
                
              1384
  interval
         | 
        4 / 41 | 
        9 | 
      
      
        | 
          
         | 
        1385 | 
                
              1385
  journey
         | 
        13 / 23 | 
        5 | 
      
      
        | 
          
         | 
        1386 | 
                
              1386
  stone
         | 
        12 / 55 | 
        7 | 
      
      
        | 
          
         | 
        1387 | 
                
              1387
  wine
         | 
        8 / 41 | 
        8 | 
      
      
        | 
          
         | 
        1389 | 
                
              1389
  key
         | 
        2 / 111 | 
        10 | 
      
      
        | 
          
         | 
        819 | 
                
              P1398
  Square Coins
         | 
        2 / 11 | 
        10 | 
      
      
        | 
          
         | 
        1415 | 
                
              1415
  故障机器人
         | 
        1 / 4 | 
        10 | 
      
      
        | 
          
         | 
        1416 | 
                
              1416
  【模板】DAG的拓扑排序方案计数(状压DP)
         | 
        2 / 3 | 
        10 | 
      
      
        | 
          
         | 
        823 | 
                
              P1521
  排列组合
         | 
        2 / 18 | 
        9 | 
      
      
        | 
          
         | 
        920 | 
                
              P1548A
  Web of Lies
         | 
        1 / 6 | 
        10 | 
      
      
        | 
          
         | 
        915 | 
                
              P1559C
  Mocha and Hiking
         | 
        1 / 6 | 
        10 | 
      
      
        | 
          
         | 
        916 | 
                
              P1581B
  Diameter of Graph
         | 
        1 / 14 | 
        10 | 
      
      
        | 
          
         | 
        970 | 
                
              P1585C
  Minimize Distance
         | 
        0 / 9 | 
        10 | 
      
      
        | 
          
         | 
        903 | 
                
              P1592
  二分图最大匹配
         | 
        6 / 12 | 
        9 | 
      
      
        | 
          
         | 
        1033 | 
                
              P1633
  加密
         | 
        24 / 97 | 
        7 | 
      
      
        | 
          
         | 
        1034 | 
                
              P1634
  围魏救赵
         | 
        16 / 94 | 
        8 | 
      
      
        | 
          
         | 
        578 | 
                
              P1647B
  Madoka and the Elegant Gift
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1048 | 
                
              P1654
  金蝉脱壳
         | 
        20 / 53 | 
        5 | 
      
      
        | 
          
         | 
        1095 | 
                
              P1659
  最短Hamilton路径
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        668 | 
                
              P1696C
  Fishingprince Plays With Array
         | 
        0 / 71 | 
        10 | 
      
      
        | 
          
         | 
        919 | 
                
              P1711B
  Party
         | 
        1 / 8 | 
        10 | 
      
      
        | 
          
         | 
        825 | 
                
              P1846
  Brave Game
         | 
        9 / 23 | 
        7 | 
      
      
        | 
          
         | 
        826 | 
                
              P1847
  Good Luck in CET-4 Everybody!
         | 
        9 / 34 | 
        7 | 
      
      
        | 
          
         | 
        639 | 
                
              P1849
  Two
         | 
        1 / 4 | 
        10 | 
      
      
        | 
          
         | 
        570 | 
                
              P1850A
  To My Critics
         | 
        10 / 43 | 
        7 | 
      
      
        | 
          
         | 
        571 | 
                
              P1850B
  Ten Words of Wisdom
         | 
        8 / 26 | 
        7 | 
      
      
        | 
          
         | 
        572 | 
                
              P1850C
  Word on the Paper
         | 
        8 / 12 | 
        8 | 
      
      
        | 
          
         | 
        573 | 
                
              P1850D
  Balanced Round
         | 
        5 / 15 | 
        8 | 
      
      
        | 
          
         | 
        574 | 
                
              P1850E
  Cardboard for Pictures
         | 
        4 / 16 | 
        9 | 
      
      
        | 
          
         | 
        575 | 
                
              P1850F
  We Were Both Children
         | 
        5 / 26 | 
        8 | 
      
      
        | 
          
         | 
        576 | 
                
              P1850G
  The Morning Star
         | 
        2 / 6 | 
        10 | 
      
      
        | 
          
         | 
        577 | 
                
              P1850H
  The Third Letter
         | 
        1 / 8 | 
        10 | 
      
      
        | 
          
         | 
        969 | 
                
              P1881D
  Divide and Equalize
         | 
        0 / 23 | 
        10 | 
      
      
        | 
          
         | 
        972 | 
                
              P1898D
  Absolute Beauty
         | 
        0 / 7 | 
        10 | 
      
      
        | 
          
         | 
        974 | 
                
              P1918C
  XOR-distance
         | 
        0 / 3 | 
        10 | 
      
      
        | 
          
         | 
        975 | 
                
              P1928C
  Physical Education Lesson
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        827 | 
                
              P1944
  S-Nim
         | 
        6 / 20 | 
        8 | 
      
      
        | 
          
         | 
        914 | 
                
              P1944A
  Destroying Bridges
         | 
        4 / 10 | 
        9 | 
      
      
        | 
          
         | 
        1167 | 
                
              P1983
  最长公共子序列
         | 
        6 / 20 | 
        8 | 
      
      
        | 
          
         | 
        973 | 
                
              P1989C
  Two Movies
         | 
        0 / 11 | 
        10 | 
      
      
        | 
          
         | 
        897 | 
                
              P2043
  数字游戏
         | 
        5 / 26 | 
        8 | 
      
      
        | 
          
         | 
        898 | 
                
              P2045
  数字游戏2
         | 
        1 / 2 | 
        10 | 
      
      
        | 
          
         | 
        824 | 
                
              P2065
  "红色病毒"问题
         | 
        0 / 1 | 
        10 | 
      
      
        | 
          
         | 
        835 | 
                
              P2117
  石子合并
         | 
        9 / 13 | 
        7 | 
      
      
        | 
          
         | 
        870 | 
                
              P2118
  计数问题
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1094 | 
                
              P2127
  蒙德里安的梦想
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        822 | 
                
              P2152
  Fruit
         | 
        1 / 1 | 
        10 | 
      
      
        | 
          
         | 
        912 | 
                
              P2160
  字符串哈希
         | 
        7 / 19 | 
        7 | 
      
      
        | 
          
         | 
        840 | 
                
              P2238
  凸多边形的划分
         | 
        0 / 11 | 
        10 | 
      
      
        | 
          
         | 
        841 | 
                
              P2239
  棋盘分割
         | 
        0 / 0 | 
        (无) |