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  1. #include<iostream>
  2. #include<algorithm>
  3. using namespace std;
  4. int main()
  5. {
  6.     long long n,m,sum=0;
  7.     cin>>n>>m;
  8.     long long arr[n];
  9.     for(int i=1;i<=n;i++)cin>>arr[i];
  10.     for(int i=0;i<m;i++)
  11.     {
  12.         int a,b;
  13.         cin>>a>>b;
  14.         sum+=min(arr[a],arr[b]);
  15.     }
  16.     cout<<sum;
  17. }
  18.  
Runtime error #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/B0X9hc
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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