#include <stdlib.h>
#include <string.h>
#include <stdio.h>
// Please implement the header file from the assignment to fulfill the unit tests..
 // You can add any function  
#include "pangram.h"


bool is_pangram(const char *sentence) {
	char alphabet[] = "abcdefghijklmnopqrstuvwxyz";
	char is_char_contained[] = "00000000000000000000000000";
	for (int i = 0; i < sizeof(sentence); i++) {
		int iterator = 0;
		for (int l = 0; l< 26; l++) {
			if (sentence[i] == sentence[iterator]) {
				is_char_contained[iterator] = 1;
				break;
			}
			iterator++;
		}
	}

	for (int i = 0; i<26;i++) {
		if (is_char_contained[i] == 0) return 0;
	}
	return 1;

	return 0;
}