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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long int
  4. #define endl "\n"
  5.  
  6. struct Edge
  7. {
  8.     ll node = -1;
  9.     ll cost = LLONG_MAX;
  10.     Edge(ll u, ll v, ll cost) : u(u), v(v), cost(cost) {}
  11.     bool operator<(const Edge &e) const { return cost < e.cost; }
  12. };
  13.  
  14. int main()
  15. {
  16.     ios_base::sync_with_stdio(false);
  17.     cin.tie(nullptr);
  18.     int t = 1;
  19.     ll N, M, A;
  20.     // cin >> t;
  21.     while (t--)
  22.     {
  23.         cin >> N >> M;
  24.         vector<Edge> graph[N + 1];
  25.  
  26.         for (int i{}; i < M; i++)
  27.         {
  28.             ll u, v, c;
  29.             cin >> u >> v >> c;
  30.             graph[u].push_back({v, c});
  31.             graph[v].push_back({u, c});
  32.  
  33.         }
  34.     }
  35.     return 0;
  36. }
Success #stdin #stdout #stderr 0.33s 40712KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Error: unexpected symbol in "using namespace"
Execution halted
https://ideone.com/fDQsbX
language:
R (R 3.5.2)
created:
3 days ago
visibility:
public

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