Submission #4636332

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
  int N, S;
  S = 0;
  cin >> N;
  for (int i = 0; i < N; i++) {
    int l, r;
    cin >> l >> r;
    S += (r - l + 1);
  }
  cout << S << endl;
}

Submission Info

Judge Result