Cod sursa(job #914505)
| Utilizator | Data | 14 martie 2013 10:53:32 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.48 kb |
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n, p;
long long power(long long n, long long p){
if(p == 1)
return n;
long long x = power(n, p/2);
if(p%2 == 0)
return (long long) x*x%1999999973;
else
return (long long) x*x%1999999973*(long long)n%1999999973;
}
int main(){
fin >> n >> p;
fout << power(n, p);
fin.close();
fout.close();
return 0;
}
