Cod sursa(job #2943662)
Utilizator | Data | 21 noiembrie 2022 15:09:44 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long int lgput(int n,int p){
if(!p) return 1;
if(p%2==0) return lgput(n,p/2)*lgput(n,p/2);
return n*lgput(n,p/2)*lgput(n,p/2);
}
int main(){
int n,p;
fin>>n>>p;
fout<<lgput(n,p);
fin.close();
fout.close();
return 0;
}