Cod sursa(job #2726136)
Utilizator | Data | 20 martie 2021 13:45:32 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int const modulo=1999999973;
int n,p;
long long lgput(int n,int p)
{
long long rezultat=1;
for(int i=0;(1<<i)<=n;++i){
if(p & (1<<i))
rezultat*=n;
n*=n;
}
return rezultat;
}
int main()
{
in>>n>>p;
out<<lgput(n,p);
return 0;
}