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

#define YELLOW "\033[1;33m"
#define RED "\033[1;31m"
#define BLUE "\033[1;34m"
#define GREEN "\033[1;32m"
#define RESET "\033[0m"

typedef struct Garland {
	char** lightbulbs;
	unsigned int length;
} Garland;

Garland generate_garland(unsigned int length); 
void print_garland(Garland* g);

int main () {
	Garland g = generate_garland(100);
	print_garland(&g);
}

Garland generate_garland(unsigned int length) {
	Garland g;
	g.lightbulbs = malloc(length * sizeof(char*));
	g.length = length;
	for (unsigned int i = 0; i < length; i ++) {
		char* color = (char*) malloc(9);
		switch (rand() % 4) {
			case 0:
				strncpy(color, RED, 7);
				break;
			case 1:
				strncpy(color, YELLOW, 7);
				break;
			case 2:
				strncpy(color, GREEN, 7);
				break;
			case 3:
				strncpy(color, BLUE, 7);
				break;
		}
		strncpy(color+7, "#\0", 2);
		
		g.lightbulbs[i] = (char*) malloc(9);
		strncpy(g.lightbulbs[i], color, 9);
		free(color);
		color = NULL;
	}
	return g;
}

void print_garland(Garland* g) {
	for (unsigned int i = 0; i < g->length; i ++) {
		printf("%s", g->lightbulbs[i]);
	}
	printf(RESET);
	printf("\n");
}