Caleb likes to challenge Selvan's math ability. He will provide a starting and ending value that describes a range of integers, inclusive of the endpoints. Selvan must determine the number of square integers within that range.

 #include<stdio.h>

#include<math.h>

void Clac_square(long int start,long int end)

{ int i,count=0;

for(i=start;i<=end;i++)

{ int n=sqrt(i);

if(n==sqrt(i))

    count++;}

printf("%d\n",count);

}

int main()

{

long int q,start,end;

scanf("%ld",&q);

while(q--){

    scanf("%ld %ld",&start,&end);

    Clac_square(start,end);}

    return 0;

}

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