KONGROOの基地

Codeforces 962F. Simple Cycles Edges (BCC)

Codeforces 1009F. Dominant Indices (DSU on Tree)

Codeforces 990F. Flow Control (Tree + DP)

Codeforces 985F. Isomorphic Strings (String + Hash)

Codeforces 1051F. The Shortest Statement (Shortest Path + LCA)

Codeforces 1065F. Up and Down the Tree (DP + Tree + Greedy)

Codeforces 1093F. Vasya and Array (DP)

Codeforces 1093E. Intersection of Permutations (Divide and Conquer + Fenwick Tree)

Codeforces 1093G. Multidimensional Queries (Manhattan Distance + Segment Tree)

Codeforces 1083E. The Fair Nut and Rectangles (DP+Convex-Hull Trick)

Codeforces 1082G. Petya and Graph (Mincut)

Codeforces 1062E. Company (LCA+RMQ)

Codeforces 1078C. Vasya and Maximum Matching (Tree+DP)

Codeforces 1070E. Getting Deals Done (Binary Search+Fenwick Tree)

Codeforces 1073E. Segment Sum (Digit DP)

Codeforces 1065E. Side Transmutations (Burnside's Lemma)

Codeforces 1059E. Split the Tree (树上贪心)