Cod sursa(job #1864820)
Utilizator | Data | 1 februarie 2017 00:27:25 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int expo(int a,int b)
{
int result=1;
while(b)
{
if(b%2==1)
{
result*=a;
}
b/=2;
a*=a;
}
return result;
}
int main()
{
long long N,P,x;
f>>N>>P;
x=expo(N,P);
g<<x;
return 0;
}