greatest_in_3_numbers.c

#include<stdio.h>

int main() {
   int a, b, c;

   printf("\n enter value of a, b & c : ");
   scanf("%d %d %d", &a, &b, &c);

   if ((a > b) && (a > c))
      printf("\n a is greatest");

   if ((b > c) && (b > a))
      printf("\n b is greatest");

   if ((c > a) && (c > b))
      printf("\n c is greatest");

   return 0 ;
}