Cod sursa(job #1753209)

Utilizator IoanaRocIoana Roceanu IoanaRoc Data 6 septembrie 2016 09:50:07
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.49 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long ridicarePutere(int n, int p){
    if(p==0)
        return 1;
    if(p==1)
        return n%1999999973;
    if(p%2==0)
        return (ridicarePutere(n,p/2)*ridicarePutere(n,p/2))%1999999973;
    else
        return ridicarePutere(n,p/2)*ridicarePutere(n,p/2)*n%1999999973;;
}

int main()
{   int n,p;
    f>>n>>p;
    g<<ridicarePutere(n,p)%1999999973;
    return 0;
}