Cod sursa(job #3358223)

Utilizator Palyo_Muset_AndreiPalyo-Muset Andrei Palyo_Muset_Andrei Data 15 iunie 2026 14:36:01
Problema Algoritmul lui Euclid extins Scor 100
Compilator c-64 Status done
Runda Arhiva educationala Marime 1.26 kb
#include <stdio.h>

void euclid(long long a, long long b, long long *d, long long *x, long long *y)
{
    if (b == 0)
    {
        *d = a;
        *x = 1;
        *y = 0;
    }
    else
    {
        long long x0, y0;

        euclid(b, a % b, d, &x0, &y0);

        *x = y0;
        *y = x0 - (a / b) * y0;
    }
}

int main(void)
{
    FILE *fr = fopen("euclid3.in", "r");
    FILE *fw = fopen("euclid3.out", "w");

    if (!fr)
    {
        fprintf(stderr,"Failed to open read file");
        return -1;
    }

    if (!fw)
    {
        fprintf(stderr,"Failed to open write file");
        fclose(fr);
        return -1;
    }

    int T;
    fscanf(fr, "%d", &T);

    for (int i = 0; i < T; i++)
    {
        long long a, b, c;
        long long x, y, d;

        fscanf(fr, "%lld %lld %lld", &a, &b, &c);

        euclid(a, b, &d, &x, &y);

        if (d < 0)
        {
            d = -d;
            x = -x;
            y = -y;
        }

        if (c % d != 0)
        {
            fprintf(fw,"0 0\n");
        }
        else
        {
            x = x * (c / d);
            y = y * (c / d);

            fprintf(fw,"%lld %lld\n", x, y);
        }
    }

    fclose(fr);
    fclose(fw);

    return 0;
}