Cod sursa(job #1130725)

Utilizator alevasluialeHuhurez Marius alevasluiale Data 28 februarie 2014 15:14:20
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int putere(int n,int p)
{
    int result=1;
    while(p)
    {
        if(p&1) result=(result*n)%mod;
        p>>=1;
         n=(n*n)%mod;
    }

    return result;
}
int main()
{
    int n,p,sol;
    fin>>n>>p;
    sol=putere(n,p);
    fout<<sol;
    fin.close();
    fout.close();
}