Generator krasnych bankovnich uctu

#include <stdio.h>
#include <stdbool.h>
#include <limits.h>
bool overCisloUctu(long long cislo, int minPocetSudych, int minPocetVyskytu) {
    int vahy[] = { 1, 2, 4, 8, 5, 10, 9, 7, 3, 6 };
    int cetnosti[] = { 0,0,0,0,0,0,0,0,0,0 };
    int maxPocetVyskytu = 0;
    int pozice = 0;
    int sum = 0;
    int pocetSudych = 0;
    while (cislo > 0) {
        int cislice = cislo % 10; // modulo, tj. zbytek po deleni
        cetnosti[cislice]++;
        if (cetnosti[cislice] > maxPocetVyskytu)
            maxPocetVyskytu = cetnosti[cislice];
        if ((cislice % 2) == 0) pocetSudych++;
        sum = sum + cislice * vahy[pozice];
        cislo = cislo / 10;
        pozice++;
    }
    // pocet uvodnich nul bude = 10-pozice
    pocetSudych = pocetSudych + 10 - pozice;
    return ((sum % 11) == 0) && pocetSudych >= minPocetSudych && maxPocetVyskytu >= minPocetVyskytu;

}

int main(int argc, char * argv[]) {

    printf("Generator cisel uctu...\n");
    double progres = 0;
    int pocitadlo = 0;
    long long x = 0, konec=9999999999;
    if (argc > 1) {
        if (argv[1][0] == '1') {
            x = 5000000000;
            fprintf(stderr, "Hledam v rozsahu 5G-10G\n");
        }
        else {
            konec = 5000000000;
            fprintf(stderr, "Hledam v rozsahu 0-5G\n");
        }
    } else fprintf(stderr, "Hledam v rozsahu 0-10G\n");

    for (; x <= konec; x++) {
        if (pocitadlo == 10000000) {
            pocitadlo = 0;
            fprintf(stderr, "progres=%.1lf procent\n", progres);
            progres = progres + 0.1;
        }
        pocitadlo++;
        if (overCisloUctu(x, 0, 8))
            printf("%010lld\n", x);
    }

}