Tags

2的幂 1
[CF] B. Forming Triangles - Educational Codeforces Round 161 (Rated for Div. 2)
三角形 1
[CF] B. Forming Triangles - Educational Codeforces Round 161 (Rated for Div. 2)
凸性 1
[CF] E. Kevin and And - IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
前缀 1
[CF] D. Robot Queries - Educational Codeforces Round 159 (Rated for Div. 2)
卡塔兰数 1
[CF] E. Nested Segments - Codeforces Round 997 (Div. 2)
双向链表 1
[CF] D. Berserk Monsters - Educational Codeforces Round 161 (Rated for Div. 2)
变化量 1
[CF] D. Berserk Monsters - Educational Codeforces Round 161 (Rated for Div. 2)
奇偶性 4
[CF] A. Kevin and Arithmetic - IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2) [CF] B. Binary Palindromes - Educational Codeforces Round 75 (Rated for Div. 2) [CF] C. Minimize The Integer - Educational Codeforces Round 75 (Rated for Div. 2) [CF] D. Inversion Counting - Educational Codeforces Round 35 (Rated for Div. 2)
子序列 1
[CF] E. Increasing Subsequences - Educational Codeforces Round 161 (Rated for Div. 2)
字典树 1
[CF] E. Collapsing Strings - Educational Codeforces Round 159 (Rated for Div. 2)
对称性 1
[CF] D. Robot Queries - Educational Codeforces Round 159 (Rated for Div. 2)
带环转移 1
[CF] F. Replace on Segment - Educational Codeforces Round 161 (Rated for Div. 2)
扫描线 1
[CF] E. Nested Segments - Codeforces Round 997 (Div. 2)
排序 2
[CF] B. Farmer John's Card Game - Codeforces Round 998 (Div. 3) [CF] C. Minimize The Integer - Educational Codeforces Round 75 (Rated for Div. 2)
整除 4
[CF] D. Turtle Tenacity: Continual Mods - Codeforces Round 929 (Div. 3) [CF] B. New Skateboard - Educational Codeforces Round 8 C. Divide by Three - Educational Codeforces Round 18 [数学] 判断数字能否被 x 整除
时光倒流 1
[CF] D. Kevin and Numbers - IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
离线 1
[CF] D. Robot Queries - Educational Codeforces Round 159 (Rated for Div. 2)
贡献 1
[CF] E. Collapsing Strings - Educational Codeforces Round 159 (Rated for Div. 2)
连通性 1
[CF] E. Graph Composition - Codeforces Round 998 (Div. 3)
队列 1
[CF] D. Berserk Monsters - Educational Codeforces Round 161 (Rated for Div. 2)