Cod sursa(job #3195234)

Utilizator andreialexeAndrei Alexe andreialexe Data 20 ianuarie 2024 11:52:44
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-32 Status done
Runda Arhiva educationala Marime 0.52 kb
#include <iostream>
#include <fstream>
using namespace std;
const int MOD=1999999973;

ifstream f("lgput.in");
ofstream g("lgput.out");

long long powlg(long long a, long long p)
{
    long long val=1, x=a%MOD;
    while (p>0)
        if (p%2==0)
        {
            x=x*x%MOD;
            p/=2;
        }
        else
        {
            val=(val*x)%MOD;
            p--;
        }
    return val;
}

int main()
{
    long long N, P;
    f>>N>>P;
    g<<powlg(N, P);
    f.close();
    g.close();
}