Cod sursa(job #2108830)
Utilizator | Data | 18 ianuarie 2018 20:54:44 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <iostream>
#include <iomanip>
#include <fstream>
using namespace std;
double expo(int x, int n){
double p =1;
while(n){
if(n%2==1)
{
p*=x;
n--;
}
x*=x;
n/=2;
}
return p;
}
double expoFor(int x, int n){
double p=1;
for(int i=0; i<n; i++)
p*=x;
return p;
}
int main(){
ifstream read("lgput.in");
ofstream write("lgput.out");
int n,m;
read>>n>>m;
write<<expo(n, m);
return 0;
}