Cod sursa(job #2943701)

Utilizator roxana.tololoiTololoi Ilinca-Roxana roxana.tololoi Data 21 noiembrie 2022 15:43:46
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.52 kb
#include <fstream>
using namespace std;

ifstream fin ("lgput.in");
ofstream fout ("lgput.out");

int MOD=1999999973;

long long putere (int N, int P)
{
    if (P==0)
    {
        return 1;
    }
    if (P==1)
    {
        return N;
    }
    long long P1;
    if (P%2==0)
    {
        P1=putere(N,P/2);
        return (P1*P1)%MOD;
    }
    else
    {
        P1=putere(N,P/2);
        return ((P1*P1)%MOD*N)%MOD;
    }
}

int main()
{
    unsigned int N;
    unsigned int P;
    fin>>N>>P;
    fout<<putere(N,P);
    return 0;
}