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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     ios_base::sync_with_stdio(false);
  7.     cin.tie(NULL);
  8.     freopen("MAGICSUM.inp", "r", stdin);
  9.     freopen("MAGICSUM.ans", "w", stdout);
  10.     long long ans = 0;
  11.     int n; cin >> n;
  12.     for(int i = 1; i <= n; i++){
  13.         int l, r; cin >> l >> r;
  14.         for(int j = l; j <= r; j++) ans += j;
  15.     }
  16.     cout << ans;
  17.     return 0;
  18. }
  19.  
Time limit exceeded #stdin #stdout 5s 5516KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/ojKzMr
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
secret

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