Cod sursa(job #2040854)
Utilizator | Data | 16 octombrie 2017 17:03:20 | |
---|---|---|---|
Problema | Invers modular | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.55 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("inversmodular.in");
ofstream g("inversmodular.out");
int a, b,k,l, d;
void cmmdc(int a, int b,int &d, int &k, int &l)
{
if (b==0)
{
l=0;
k=1;
d=a;
return;
}
int kp, lp;
cmmdc (b,a%b, d, kp, lp);
k=lp;
l=kp-lp*(a/b);
}
int main()
{
f >> a >> b;
cmmdc(a,b,d,k,l);
if (k>=0)
g << k;
else
{
while (k<0)
k+=b;
g << k;
}
return 0;
}