Cod sursa(job #1349125)
Utilizator | Data | 19 februarie 2015 23:56:00 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include<fstream>
using namespace std;
#define MAX 1999999973
int main()
{
unsigned int i;
unsigned long long p, n, r = 1;
fstream in("lgput.in", fstream::in);
fstream out("lgput.out", fstream::out);
in>>n>>p;
in.close();
for(i=0; (1<<i) <= p; ++i)
{
if((1<<i) & p)
r = (r*n) % MAX;
n = (n*n) % MAX;
}
out<<r;
out.close();
return 0;
}