Program using printf() and scanf()

printf(): It displays output on the screen.

scanf(): It accepts input from user.

#include <stdio.h>

int main()

     {

  int p,n;

  float r,si;

  printf("Enter a values of p,n,r\n");

  scanf("%d %d %f", &p, &n, &r);

  si = p*n*r/100;

  printf("Simple Interest is: %f\n",si);

  return 0;

}