Cod sursa(job #1540949)
Utilizator | Data | 3 decembrie 2015 15:56:20 | |
---|---|---|---|
Problema | Invers modular | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <fstream>
ifstream in("invers modular.in");
ofstream out("invers modular.out");
using namespace std;
int main()
{
int a,n,i,f=0,p,nr,p2=1;
in>>a>>n;
f=n-1;
p=f-1;
nr=a;
while(p2<p)
{
if(p%2==0)
{
nr=nr*nr;
p2+=p2;
}
else
{
nr=nr*a;
p2++;
}
}
out<<nr%n;
return 0;
}