/*  Example maxloop.c Running Max
	Goal: The use of if statement inside the loop
	Author: Peter Brusilovsky
	Reads numbers until -1 is entered. Prints the max number entered.
	
 */

#define SENTINEL -1
#include <stdio.h>
main () {

    int max, nextnumber; 

	printf("Number: ");
	scanf("%d", &nextnumber); /* read first number */
	max = nextnumber; /* pre-assignment */
	
	while (nextnumber != SENTINEL) {
    	if (max <  nextnumber)
			max = nextnumber;
	    printf("Number: ");
        scanf("%d", &nextnumber);
    }
	printf ("Max = %d\n", max);
}