Find numbers between 100 to 200 which divisible by 7 and calculate number sum

Q. Write a C program to find the numbers and their sum between 100 to 200 which are divisible by 7.

or

Q. Write a C program to accept two randomly number from user and find out the numbers and their sum which are divisible by user entered number.  

Ans.

/*c program for find the number between 100 to 200 which are divisible by 7 and also calculate these number sum*/

#include<stdio.h>
#include<conio.h>
int main()
{

 int n1,n2,div,sum=0;
 printf("Note: First number must be less then to second number

");
 printf("Enter first number: ");
 scanf("%d", &n1);
 printf("Enter second number: ");
 scanf("%d", &n2);
 printf("Enter divisor: ");
 scanf("%d", &div);
 printf("Numbers that are divisor by %d :
",div);
 for(n1; n1<=n2; n1++)
 {
  if(n1%div==0)
  {
    printf("%d ",n1);
    sum=sum+n1;
  }
 }
 printf("
Sum of numbers that are divisible by %d = %d",div,sum);
 getch();
 return 0;
}


/************Output************/

Screen shot find the number between 100 to 200 which are
 divisible by 7 and  calculate its number sum C program

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