Submission #755439

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
755439	2023-06-10 06:07:18	drdilyor	Pipes (BOI13_pipes)	C++17	30 / 100	80 ms	10760 KiB

pipes

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int inf = 1e9;
const ll infl = 1e18;
signed main() {
    cin.tie(0)->sync_with_stdio(0);
    int n, m;
    cin >> n >> m;
    assert(n == m+1);
    vector<int> arr(n);
    for (int& i : arr) cin >> i;
    vector<vector<pair<int,int>>> adj(n);
    for (int i = 0; i < m; i++) {
        int u, v;
        cin >> u >> v;
        u--;v--;
        adj[u].push_back({v, i});
        adj[v].push_back({u, i});
    }
    vector<int> ans(m);
    auto dfs = [&](auto& dfs, int i, int p =-1,int pei=-1) ->void {
        int c = 0;
        for (auto [e, ei]: adj[i]) {
            if (e == p) continue;
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 0 / 70