Cod sursa(job #1734584)
| Utilizator | Data | 27 iulie 2016 18:36:03 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.5 kb |
#include <fstream>
using namespace std;
#define MOD 1999999973
long long lgput(long long N, long long P) {
long long res = 1;
while (P > 0) {
if (P % 2 == 1) {
res = (res * N) % MOD;
P--;
}
N = (N * N) % MOD;
P = P / 2;
}
return res;
}
int main() {
long long N, P, res;
// input
ifstream f("lgput.in");
f >> N >> P;
f.close();
// compute
res = lgput(N, P);
// output
ofstream g("lgput.out");
g << res << "\n";
g.close();
return 0;
}
