Cod sursa(job #2005560)
Utilizator | Data | 27 iulie 2017 14:39:58 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <fstream>
#define M 1999999973
using namespace std;
ifstream fi("lgput.in");
ofstream fo("lgput.out");
int n,p;
long long exp(int a,int n)
{
if(n==1)
return a;
if(n%2==0)
return (exp(a,n/2)%M)*(exp(a,n/2)%M);
return a*(exp(a,n/2)%M)*(exp(a,n/2)%M);
}
int main()
{
fi>>n>>p;
fo<<exp(n,p);
return 0;
}