salary-calc.c

#include<stdio.h>
int main( )
{
int p, n, count ;
float r, si ;
count = 1 ;
while ( count <= 3 )
{
printf ( "\nEnter values of p, n and r " ) ;
scanf ( "%d %d %f", &p, &n, &r ) ;
si = p *n * r / 100 ;
printf ( "Simple interest = Rs. %f", si ) ;
count = count + 1;
}
}