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Author: EndlessCheng

copypasta/fenwick_tree.go

@@ -78,6 +78,7 @@ https://codeforces.com/problemset/problem/12/D 2400 三维偏序
 https://codeforces.com/problemset/problem/246/E 2400
 https://codeforces.com/problemset/problem/1334/F 2500
 https://codeforces.com/problemset/problem/1635/F 2800
+https://codeforces.com/problemset/problem/1446/F 3200
 https://atcoder.jp/contests/dp/tasks/dp_q 值域树状数组优化 DP
 https://atcoder.jp/contests/abc392/tasks/abc392_f 也可以用 Splay 树
 https://atcoder.jp/contests/abc256/tasks/abc256_f 多重前缀和

copypasta/sort.go

@@ -100,6 +100,7 @@ https://atcoder.jp/contests/abc155/tasks/abc155_d 1845 综合
 https://atcoder.jp/contests/abc149/tasks/abc149_e 1905
 https://atcoder.jp/contests/arc173/tasks/arc173_a 也可以用九进制
 https://codeforces.com/problemset/problem/912/E 2400
+https://codeforces.com/problemset/problem/1446/F 3200
 
 ### 0-1 分数规划
 题目见下面的「search01」