Submission #49167

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
49167	2018-05-23 03:48:57	aome	Pipes (BOI13_pipes)	C++17	100 / 100	371 ms	22076 KiB

pipes

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#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
int n, m;
int a[N];
int par[N];
int deg[N];
int res[N];
bool vis[N];
vector< pair<int, int> > G[N];
map< pair<int, int>, int > mp;
int main() {
  ios::sync_with_stdio(false);
  cin >> n >> m;
  if (m > n) {
    cout << 0; return 0;
  }
  for (int i = 1; i <= n; ++i) cin >> a[i];
  for (int i = 1; i <= m; ++i) {
    int u, v; cin >> u >> v;
    G[u].push_back({v, i});
    G[v].push_back({u, i});
    deg[u]++, deg[v]++;
    mp[{u, v}] = mp[{v, u}] = i;
  }
  queue<int> qu;
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 70 / 70