Cod sursa(job #1789945)
Utilizator | Data | 27 octombrie 2016 17:24:13 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.54 kb |
#include <fstream>
using namespace std;
unsigned int lgput(unsigned int x, unsigned int n) {
if (n == 0) {
return 1;
} else if (n % 2 == 0) {
unsigned int m = lgput(x, n / 2);
return m * m;
} else {
return x * lgput(x, n - 1);
}
}
int main()
{
ifstream fin("lgput.in");
ofstream fout("lgput.out");
unsigned int N, P, res;
fin >> N >> P;
res = lgput(N, P);
res %= 1999999973;
fout << res;
fin.close();
fout.close();
return 0;
}