打开题单
完成列表
- Codeforces CF1365D. Solve The Maze - 贪心、判断无向图连通性
- Codeforces CF1538D. Another Problem About Dividing Numbers - 数论、从特殊到一般
- Codeforces CF1381A2. Prefix Flip (Hard Version) - 模拟、循环不变式、可逆运算
- Codeforces CF5C. Longest Regular Bracket Sequence - 贪心、栈
- Codeforces CF1328D. Carousel - 分类讨论
- Codeforces CF1474C. Array Destruction - 枚举、平衡树
- Codeforces CF1360F. Spy-string - 枚举
- Codeforces CF1325D. Ehab the Xorcist - 分类讨论、位运算
- Codeforces CF1516C. Baby Ehab Partitions Again - 数学、双射
- Codeforces CF546D. Soldier and Number Game - 数论、线性筛
- Codeforces CF1396B. Stoned Game - 博弈论、贪心
- Codeforces CF484A. Bits - 分治、贪心
- Codeforces CF1700C. Helping the Nature - 差分
- Codeforces CF1393C. Pinkie Pie Eats Patty-cakes - 二分、贪心
- Codeforces CF1406C. Link Cut Centroids - 树的中心
- Codeforces CF493D. Vasya and Chess - 博弈论
- Codeforces CF1699C. The Third Problem - 组合数学
- Codeforces CF220B. Little Elephant and Array - 枚举
- Codeforces CF1684D. Traps - 贪心、数学
- Codeforces CF1469D. Ceil Divisions - 分治、数学
- Codeforces CF1658C. Shinju and the Lost Permutation - 数学、排列