Ex2

#include <stdio.h>
#include <stdlib.h>

void Withdraw(unsigned *v, unsigned *x, unsigned i) {
    if (*x / i <= *v)
        *v -= *x / i, *x %= i; // daca sunt mai  baconte de de i de cat x
    else
        *x -= i *  *v, *v = 0; // daca sunt mai putine baconte de i decat x (scoate toate bacontele ramase)
}

int main() {
    unsigned v[8], t, x, i;
    FILE *f, *g;
    f = fopen("atm.in", "r"); // deschidere mod citire
    g = fopen("atm.out", "w");
    for (i = 0; i < 8; i++) // citire numar de bacnote
        fscanf(f, "%u", &v[i]);
    fscanf(f, "%u", &t);
    for (i = 0; i < t; i++) {
        fscanf(f, "%u", &x);

        Withdraw(&v[7], &x, 500);
        Withdraw(&v[6], &x, 200);
        Withdraw(&v[5], &x, 100);
        Withdraw(&v[4], &x, 50);
        Withdraw(&v[3], &x, 20);
        Withdraw(&v[2], &x, 10);
        Withdraw(&v[1], &x, 5);
        Withdraw(&v[0], &x, 1);

        if (x) {          //daca mai trebuie baconte retrase programul afiseaza si se opreste
            fprintf(g, "NU");
            fclose(f);
            fclose(g);
            return 0;
        }

    }
    fprintf(g, "DA");
    fclose(f);
    fclose(g);
    return 0;
}