Karakter Sayacı

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

int main() {
    char str[100];
    int harf = 0, rakam = 0, diger = 0;

    printf("Metin gir: ");
    gets(str);

    for(int i = 0; str[i]; i++) {
        if((str[i] >= 'a' && str[i] <= 'z') || 
           (str[i] >= 'A' && str[i] <= 'Z'))
            harf++;
        else if(str[i] >= '0' && str[i] <= '9')
            rakam++;
        else
            diger++;
    }

    printf("Harf: %d\nRakam: %d\nDiğer: %d\n", harf, rakam, diger);
    return 0;
}