Cod sursa(job #1152059)

Utilizator Barcau_EmanuelBarcau Emanuel Barcau_Emanuel Data 24 martie 2014 15:30:36
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include <fstream>
using namespace std;
ifstream fin("1.in");
ofstream fout("1.out");
int n,p;
long long exp(int x,int y)
{
    if(!y)return 1;
    else
    if(y%2) return(x%1999999973)*(exp(x, y-1)%1999999973)%1999999973;
    else
    {
        long long p2;
        p2=exp(x,y/2)%1999999973;
        return (p2%1999999973)*(p2%1999999973)%1999999973;
    }
}
int main()
{
    fin>>n>>p;
    fout<<exp(n,p)<<'\n';
    return 0;
}