Submission #4032055

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Source Code Expand

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

int main(){
  int n;
  cin>>n;
  
  int ans=0;
  for(int i=0;i<n;i++){
    int a,b;
    cin>>a>>b;
    
    ans += b-a+1;
    
  }
  cout<<ans<<endl;
}

Submission Info

Judge Result