Cod sursa(job #1727599)
Utilizator | Data | 11 iulie 2016 11:50:42 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
#define NMAX 1999999973
using namespace std;
int power(int n,int p){
if(p == 0)
return 1;
if(p == 1)
return n % NMAX;
int q = power(n,p/2);
return ((q*q) % NMAX * (p&1?n:1))%NMAX;
}
int main()
{
int n,p;
ifstream f("lgput.in");
ofstream g("lgput.out");
f >> n >> p;
g << power(n,p);
f.close();
g.close();
return 0;
}