e-Tutor_7

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_CHAR_SIZE 1000
int convert(char c){
    return (c<91)?c-'A':c-'a';
}
int main(int argc, const char * argv[])
{
    int n = 0, Num_of_alphabet[26];
    int i = 0;
    char Sentence[MAX_CHAR_SIZE];
    for(; i<26; i++)
        Num_of_alphabet[i] = 0;

    scanf("%d",&n);
    int c=0;
    while(c<=n)
    {
        gets(Sentence);
        i=0;
        while(Sentence[i]!='\0')
            Num_of_alphabet[convert(Sentence[i++])]++;
        c++;
    }

    for(i=0; i<26; i++)
        printf("%c %d\n",i+'A',Num_of_alphabet[i]);

    return 0;
}