제출 #961675

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
961675	2024-04-12 10:06:34	ThylOne	Cat Exercise (JOI23_ho_t4)	C++14	100 / 100	300 ms	59516 KiB

Main

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//####################
//CatExercise
//####################
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int maxiN = 200001;
vector<int> links[maxiN];
int dp[maxiN];
const int LOG = 20;
int depth[maxiN];
long long up[maxiN][LOG];
void dfs(int node,int papa=-1,int deep=0){
    up[node][0] = papa;
    depth[node] = deep;
    for(int v:links[node]){
        if(papa==v)continue;
        dfs(v,node,deep+1);
    }
}
void computeUp(int n){
    for(int l=1;l<LOG;l++){
        for(int i = 0;i<n;i++){
            if(up[i][l-1]==-1){
                up[i][l]=-1;
            }else{
                up[i][l] = up[up[i][l-1]][l-1];
            }
        }
    }
 
 
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