Cod sursa(job #2509444)

Utilizator bit.hTeglas Bogdan bit.h Data 14 decembrie 2019 11:06:51
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <fstream>
using namespace std;
ifstream g("lgput.in");
ofstream o("lgput.out");
long long n,m=1999999973,p;

long long putere(long long p)
{
    long long r;
    if(p==0)
        return 1;
    else
        if(p%2==0)
        {
            r=putere(p/2)%m;
            return (r*r)%m;
        }
        else
        {
            return n*putere(p-1)%m;
        }
}

int main()
{
    g>>n>>p;
    o<<putere(p);
    return 0;
}