#include<stdio.h>
#include<math.h>
int main()
{
//declare the integers
int M=0,A=0,B=0;
int T;
int flag;
//enter number of test cases
printf("\nenter the number of testcases:\n");
scanf("%d",&T);
for(T;T>=1 && T<=pow(10,5);T–)
{
//enter the values of the integers
printf(“enter the 1st number:”);
scanf("%d",&A);
printf("\nenter the 2nd number:");
scanf("%d",&B);
printf("\nenter the number to be divided by:");
scanf("%d",&M);
flag=0;
while(A<=B && M>=1 && M<=pow(10,9) && B>=1 && B<=pow(10,9) && A>=1 && A<=pow(10,9))
{
if(A%M==0 )
{
flag++;
A++;
}
else
{
A++;
}
}
printf("\nthe count of numbers between a and b which are divisible by m: %d",flag);
printf("\n");
}
}