Cod sursa(job #2278235)
Utilizator | Data | 7 noiembrie 2018 15:12:59 | |
---|---|---|---|
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 f ("lgput.in");
ofstream g ("lgput.out");
int k=1999999973;
long int exp(int x,int y)
{
if(y==1)
{
return x;
}
if(y&1)
{
return x%k*exp(x%k,y-1);
}
if(!(y&1))
{
return exp(x%k,y/2)*exp(x%k,y/2);
}
}
int main()
{
long int n,p;
f>>n>>p;
g<<exp(n,p);
}