Cod sursa(job #2639628)

Utilizator Catalin007Botezat Catalin Catalin007 Data 3 august 2020 11:48:03
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>
#define ll long long

using namespace std;
const ll mod=1999999973;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

int main()
{
    int n; ll p;
    fin>>n>>p;
ll sol=1;
for(int i=0;(1<<i)<=p;i++)
{
    if(((1<<i)& p) >0) sol=(sol*n)%mod;

        n=(n*n)%mod;
}
    fout<<sol;
    return 0;
}