Cod sursa(job #2053871)
Utilizator | Data | 1 noiembrie 2017 14:36:13 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<iostream>
#include<fstream>
#define rest 1999999973
using namespace std;
long long int p(long long int a ,long long int b)
{
if(b==0)
return 1;
if(b==1)
{
return a;
}
int t=p(a,b/2);
return t*t*p(a,b%2);
}
int main()
{
int a,b;
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>a>>b;
g<<p(a,b);
}