Cod sursa(job #2635851)

Utilizator HermioneMatei Hermina-Maria Hermione Data 15 iulie 2020 18:11:12
Problema Algoritmul lui Euclid extins Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.42 kb
#include <bits/stdc++.h>

using namespace std;
inline long long Euclid_iter(long long a, long long b)
{
    while(b!=0)
    {
        long long t;
        t = a % b;
        a = b;
        b = t;
    }
    return a;
}

void Eulid_extins(long long a, long long b, long long c, long long *x, long long *y)
{
    long long d=Euclid_iter(a,b);
    cout<<d;
    if(c%d)
    {
        *x=0;
        *y=0;
        return;
    }
    if(a==0)
    {
        *y=c/b;
        if(c%b==0)
            *x=1;
        else
        {
            *x=0;
            *y=0;
        }
        return;
    }
     if(b==0)
    {
        *x=c/a;
        if(c%a==0)
            *y=1;
        else
        {
            *x=0;
            *y=0;
        }
        return;
    }
    for(long long i=b; i < 2000000000; i+=b)
        if(((d-i)*c/d)%a==0)
        {
            *x = (d-i)/a * c/d;
            break;
        }
    /*{
        *x = (double)(d-i)/a * c/d;
        cout<<*x<<endl;
        if(*x==(long long)*x)
            break;
    }*/
    *y = (c-a*(*x))/b;
}

int main()
{
    fstream f("euclid3.in");
    ofstream g("euclid3.out");
    long long n, a, b, c;
    long long x, y;
    f>>n;
    for(long long i = 0; i < n; i++)
    {
        f>>a>>b>>c;
        Eulid_extins(a, b, c, &x, &y);
        g<<(long long)x<<' '<<(long long)y<<'\n';
    }
    f.close();
    g.close();
    return 0;
}