цифри

#include <stdio.h>

void writeToFile() {
    FILE *f = fopen("text.txt", "w");
    char c;
    while((c = getchar()) != '#') {
        fputc(c, f);
    }
    fclose(f);
}

int main() {
    writeToFile();
    float l=0, br=0;
    char ch;
    FILE *f1;
    if ((f1 = fopen("text.txt", "r")) == NULL) {
        printf ("Datotekata ne se otvara");
        return -1;
    }
    while ((ch = fgetc(f1))!=EOF) {
        if (isalpha(ch)) {
            l++;
        }
        if (isdigit(ch)) {
            br++;
        }
    }
    printf("%.2f",br/l);
    fclose(f1);
    return 0;
}