Program to find the largest among three numbers in C

Source Code

// 11. Program to find the largest among three numbers
// Arpan Das - CST 2nd Year (VOCLET)

#include <stdio.h>
//#include <conio.h>
//#include <stdlib.h>

void main () {
	int a, b, c;
	//int r1, r2;
	//clrscr();
	//system("cls");
	
	printf("\t\t..:: find all roots of a quadratic equation ::..\n\n");
	printf("Enter any three numbers: ");
	scanf("%d%d%d", &a, &b, &c);
	
	// process one
	if (a > b && a > c) printf("\n%d is the largest number.", a);
	else if (b > c) printf("\n%d is the largest number.", b);
	else printf("\n%d is the largest number.", c);
	
	// proces two
	/*if (a > b) {
		if (a > c) {
			printf("\n%d is the largest.", a);
		}
	}  else {
		if (b > c) {
			printf("\n%d is the largest.",b);
		} else {
			printf("\n%d is the largest.",c);
		}
	} */
	
	// process three
	/*r1 = a > b ? a : b;
	r2 = r1 > c ? r1 : c;
	printf("%d is the largest", (a > b ? a : b) > c ? (a > b ? a : b) : c);*/
	
	// process four
	// printf("%d is the largest", (a > b ? a : b) > c ? (a > b ? a : b) : c);
	
	//getch();
}

Output

		..:: find all roots of a quadratic equation ::..

Enter any three numbers: 4 8 3

8 is the largest number.