18-maximum_of_3_numbers.c

#include<stdio.h>
int main()
{
int num1,num2,num3;
printf("Enter 3 numbers to compare");
scanf("%d %d %d",&num1,&num2,&num3);
   if(num1>num2)
   {
    if(num1>num3)
    printf("\n %d is greater",num1);
   }
   else if(num2>num1)
   {
     if(num2>num3)
     printf("\n %d is greater",num2);
    } 
  else
  printf("\n %d is greater",num3);
return 0;
}