Largest among three

In this program, the input is being checked and for 3 numbers, there will be requirement of three variables so, "int a, b, c;" are assigned. Now, the variables assigned should be equal to zero initially, so that new values could be assigned by user itself. And so, the values are also being checked by if else statements.

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Program to find the largest no. among 3 no.s

#include<stdio.h>
#include<conio.h>
void main()
{ int a=0,b=0,c=0;
clrscr();
printf("\n program to find largest among 3 no.s");
printf("\n\n enter a : ");
scanf("%d",&a);
printf("enter b : ");
scanf("%d",&b);
printf("enter c : ");
scanf("%d",&c);
if((a>b) && (a>c))
{ printf("\n\n %d = a is greatest",a); }
if((b>a) && (b>c))
{ printf("\n\n %d = b is greatest",b); }
if((c>a) && (c>b))
{ printf("\n\n %d = c is greatest",c); }
getch();
}