Submission #778119

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
7781192023-07-10 06:26:53NeroZein통행료 (IOI18_highway)C++17
5 / 100
193 ms262144 KiB
#include "highway.h"
#include "bits/stdc++.h"
using namespace std;
int n, m;
vector<int> pe;
vector<int> dep;
vector<vector<pair<int,int>>> g;
void Dfs (int v, int p) {
for (auto [u, i] : g[v]) {
if (u == p) {
continue;
}
pe[u] = i;
dep[u] = dep[v] + 1;
Dfs(u, v);
}
}
void find_pair(int N, std::vector<int> U, std::vector<int> V, int A, int B) {
n = N;
g.resize(n);
pe.resize(n);
dep.resize(n);
m = (int) U.size();
for (int i = 0; i < m; ++i) {
g[U[i]].push_back({V[i], i});
g[V[i]].push_back({U[i], i});
}
 
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