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

#define SIZE 10
#define LEN 30
#define LETTER 27
#define ENGLISH 26

void myFgets(char str [][LEN]  , int len);
int allLetters(char words[][LEN], int place, char letters[], int counter[]);


int main()
{
    char words [SIZE][LEN] = {0};

    int i = 0;
    int exit = 0;
    int len = 0;
    int c[1] = {0};

    //all the letters in English language
    char letters[LETTER] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0};     //letters array

    printf("Enter up to 10 words, try to make a pangram:\n");

    for(i = 0; i < SIZE && exit != 1; i++)
    {
        myFgets(words , SIZE);

        exit = allLetters(words ,i ,letters, c);

    }

    if(exit == 1)
    {
        printf("It's a pangram?\nYES!!");
    }
    else
    {
        printf("It's a pangram?\nNO!!");
    }

    return 0;
}

/*
The function checking a word to see if it has all the letters.
Input: 	the string and the len
Output: None
*/
int allLetters(char words[][LEN], int place, char letters[], int c[])
{

    int i = 0;          //vars
    int j = 0;
    int exit = 0;

    for(i = 0; i < strlen(words[place]); i++)
    {
        for(j = 0; j < LETTER ; j++)
        {
            if(words[place][i] == letters[j])
            {
                letters[j] = 'A';
                c[0] = c[0] + 1;

            }

        }
    }

    if(c[0] == ENGLISH)
    {
        exit = 1;
    }

    return exit;
}
 /*
get the words into the string and delete the spaces
Input: 	the string and the len
Output: None
*/
void myFgets(char str [][LEN]  , int len )
{

    int i = 0;
    for(i=0; i<len; i++)
    {
        fgets(str[i] , LEN , stdin);
        str[i][strcspn(str[i],"\n")]=0;
    }
}