Cod sursa(job #1631610)
Utilizator | Data | 5 martie 2016 17:24:17 | |
---|---|---|---|
Problema | Invers modular | Scor | 50 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.51 kb |
#include <iostream>
#include <stdio.h>
using namespace std;
int a,b,x,y;
void euclid(int a, int b, int &x, int &y)
{
if(b==0)
{
x=1;
y=0;
return;
}
int x0,y0;
euclid(b,a%b,x0,y0);
x=y0;
y=x0-(a/b)*y0;
}
void citire()
{
freopen("inversmodular.in","r",stdin);
freopen("inversmodular.out","w",stdout);
scanf("%d %d",&a,&b);
euclid(a,b,x,y);
printf("%d",x);
}
int main()
{
citire();
return 0;
}