Cod sursa(job #2174571)

Utilizator catalinpuricoicatalinpuricoi catalinpuricoi Data 16 martie 2018 12:36:40
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.45 kb
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
unsigned long long n,p,max1,x,putere;
int main()
{
    f>>n>>p;
    putere=1;
    while(p>0)
    {
        if(p%2==1)
        {
            putere = ( putere % MOD ) * (n % MOD);
            p--;
        }
        n = (n % MOD) * (n % MOD);
        p >>= 1;
    }
    g<<putere;
    return 0;
}
//1999999973
//4294967296