摘要:
#include #define N 30010int pa[N]; //parentint siz_tree[N]; //size of treeint d[N]; //dist between node and rootint Find(int x){ if(pa[x] == x) ret... 阅读全文
摘要:
#include #define N 30010int pa[N]; //parentint siz_tree[N]; //size of treeint d[N]; //dist between node and rootint Find(int x){ if(pa[x] == x) ret... 阅读全文