Cod sursa(job #1481359)

Utilizator nedelcu11Nedelcu Mihai Vlad nedelcu11 Data 4 septembrie 2015 11:54:09
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>
#define LL long long
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
LL b,n,r,p;
const int MOD=1999999973;
int main()
{
    f>>n>>p;
    for(b=n,r=1;p;p>>=1)
        {
            if(p&1) r=(r*b)%MOD;
            b=(b*b)%MOD;
        }
    g<<r<<'\n';
    return 0;
}