Submission #2233586

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int main() {
  int n, ans = 0;
  cin >> n;
  int l[n], r[n];
  for (int i = 0; i < n; i++) {
    cin >> l[i] >> r[i];
    ans += (r[i] - l[i] + 1);
  }
  cout << ans << '\n';
  return 0;
}

Submission Info

Judge Result