
#include <stdio.h>
#include <string.h>

#define NUMELEM(a) (sizeof(a)/sizeof(a[0]))

main()
{
	char list[][7] = {
		"red",
		"blue",
		"yellow",
		"green"
	};
	int i, j;
	char temp[7];

	for (i = NUMELEM(list) - 2; i >= 0; --i) {
		for (j = 0; j <= i; ++j) {
			if (strcmp(list[j], list[j + 1]) > 0) {
				strcpy(temp, list[j]);
				strcpy(list[j], list[j + 1]);
				strcpy(list[j + 1], temp);
			}
		}
	}

	for (i = 0; i < NUMELEM(list); ++i)
		printf("%s\n", list[i]);
}

