Codeforces Round 614 C - Xenon_s Attack on the Gangs(树上区间DP,mex) mex DP 贪心 树 区间DP

mex 標籤

2020

01-20

Codeforces Round 614 C - Xenon_s Attack on the Gangs(树上区间DP,mex)

mex DP 贪心 树 区间DP

2018

12-12

Codeforces Round 526 C (线段树+LCA+树的遍历->树上链状合并+MEX)

线段树 LCA mex