Cod sursa(job #3135930)

Utilizator maraboneaMara Bonea marabonea Data 4 iunie 2023 18:30:47
Problema Algoritmul lui Euclid extins Scor 100
Compilator c-64 Status done
Runda Arhiva educationala Marime 0.96 kb
#include <stdio.h>
#include <stdlib.h>

FILE *fin = NULL;
FILE *fout = NULL;


int euclid_extins(int *x, int *y, int a, int b)
{
    if(!b)
    {
        *x = 1;
        *y = 0;
        return a;
    }
    else
    {
        int aux_x, aux_y;
        int d = euclid_extins(&aux_x, &aux_y, b, a % b);
        *x = aux_y;
        *y = aux_x - (a / b) * aux_y;
        return d;
    }
}

int main(void)
{
    int t, a, b, c;
    int inv, ins;
    if((fin = fopen("euclid3.in", "r")) == NULL)
    {
        exit(-1);
    }
    if((fout = fopen("euclid3.out", "w")) == NULL)
    {
        exit(-1);
    }
    fscanf(fin, "%d", &t);
    while(t)
    {
        fscanf(fin, "%d %d %d", &a, &b, &c);
        int d = euclid_extins(&inv, &ins, a, b);
        if(c % d)
        {
            fprintf(fout, "0 0\n");
        }
        else
        {
            fprintf(fout, "%d %d\n", inv * (c / d), ins * (c / d));
        }
        t--;
    }
    fclose(fin);
    fclose(fout);
    return 0;
}