#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifndef PANGRAM_H
#define PANGRAM_H

#include <stdbool.h>

bool is_pangram(const char *sentence);

#endif
// 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";
        int is_char_contained[26] = {0};
        int sentence_len = strlen(sentence);
        for (int i = 0; i < sentence_len; i++) {
                int iterator = 0;
                for (int l = 0; l< 26; l++) {
                        if (sentence[i] == alphabet[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;

}