제출 #1071837

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1071837	2024-08-23 11:45:06	ArthuroWich	Regions (IOI09_regions)	C++17	45 / 100	8095 ms	29816 KiB

regions

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#include <bits/stdc++.h>
using namespace std;
#define int long long int
vector<int> adj[300005], reg[25005];
int st[300005], en[300005], timer = 0;
void dfs(int i, int p) {
    st[i] = timer;
    timer++;
    for (int j : adj[i]) {
        if (j == p) {
            continue;
        }
        dfs(j, i);
    }
    en[i] = timer;
}
void solve() {
    int n, r, q;
    cin >> n >> r >> q;
    for (int i = 1; i <= n; i++) {
        int s, h;
        if (i == 1) {
            cin >> h;
            reg[h].push_back(i);
        } else {
            cin >> s >> h;
            reg[h].push_back(i);
            adj[s].push_back(i);
            adj[i].push_back(s);
        }
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 30 / 85