제출 #139422

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
139422	2019-07-31 16:24:33	fredbr	통행료 (IOI18_highway)	C++17	51 / 100	391 ms	262148 KiB

highway

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#include "highway.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int const maxn = 90909;
struct Edge {
    int u, id;
};
vector<Edge> v[maxn];
vector<int> order;
vector<int> vt;
void dfs(int x, int p) {
    for (Edge e : v[x]) {
        if (e.u == p) continue;
        order.push_back(e.id);
        vt.push_back(e.u);
        dfs(e.u, x);
        order.push_back(e.id);
        vt.push_back(x);
    }
}
 
 
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