Submission #2527820

---

Source Code Expand

import java.util.*;


public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);

    int N = sc.nextInt();
    int result = 0 ;

    for(int i = 0 ; i <  N ; i ++ ){
      int l = sc.nextInt();
      int r = sc.nextInt();
      result = result + ( r - l + 1 );
    }
    System.out.println(result);
  }
}

Submission Info

Judge Result