PRIME NUMBERS BETWEEN TWO INTEGERS

• Problem Description

  
  Program to Display Prime Numbers Between Intervals Using Function
  
  Note:
  
  Include upper and lower limits in the output.

• CODING ARENA

• #include <stdio.h>

  int check_prime(int num);

  int main()

  {

    int n1,n2,i,flag;

    scanf("%d%d",&n1,&n2);

    for(i=n1;i<=n2;i++)

    {

      flag=check_prime(i);

      if(flag==0)

        printf("%d\n",i);

    }

    return 0;

  }

  int check_prime(int num)

  {

    int j,flag=0;

    for(j=2;j<=num/2;j++)

    {

      if(num%j==0)

      {

        flag=1;

        break;

      }

    }

    return flag;

  }

  
  

  
  

  
  

• Test Case 1

  
  Input (stdin)

  13
  
  29
  
  

  Expected Output

  13
  
  17
  
  19
  
  23
  
  29

• Test Case 2

  
  Input (stdin)

  3
  
  14
  
  

  Expected Output

  3
  
  5
  
  7
  
  11
  
  13