Q1
#include <stdio.h>
void num_of_prime(int x, int y)
{
int c = 0, p = 0;
while (x != y)
{
int c = 0;
for (int i = 1; i <= x; i++)
{
if (x % i == 0)
{
c++;
}
}
if (c == 2)
{
p++;
}
x++;
}
printf("Total Number of prime number :- %d", p);
}
int main()
{
int roll_no, a, b;
printf("Enter your roll num:- ");
scanf("%d", &roll_no);
a = roll_no % 10 + 10;
b = roll_no % 100 + 20;
num_of_prime(a, b);
return 0;
}
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