Cod sursa(job #2333584)

Utilizator Leonard123Mirt Leonard Leonard123 Data 1 februarie 2019 14:48:19
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");

int main(){
    int n,p,mod=1999999973,sol=1;
    cin>>n>>p;
    for(int i=0; (1<<i)<=p; ++i){
        if(((1<<i)&p)>0)
            sol=(sol*n)%mod;
        n=(n*n)%mod;
    }
    cout<<sol%mod;
    return 0;
}