Cod sursa(job #2696579)

Utilizator mocanudariamocanu daria mocanudaria Data 16 ianuarie 2021 10:18:50
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long MOD=1999999973;
long long n,p,i,a,s=1;
int main()
{
    f>>n>>p;
    a=n;
    for(i=0;(1<<i)<=p;i++)
    {
        if((1<<i)&p)s=(s*a)%MOD;
        a=(a*a)%MOD;
    }
    g<<s;
    return 0;
}