Cod sursa(job #2314455)
Utilizator | Data | 8 ianuarie 2019 15:40:31 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream intrare("lgput.in");
ofstream iesire("lgput.out");
int ridicare(int N,int P){
int r=1;
while(P){
if(P%2==1){
r=r*N;
P--;
}
else{
P/=2;
N*=N;
}
}
return r;
}
int main()
{
int N,P;
intrare>>N>>P;
iesire<<ridicare(N,P);
return 0;
}