Cod sursa(job #3304565)
| Utilizator | Data | 25 iulie 2025 00:37:46 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.52 kb |
#include <fstream>
constexpr int MOD = 1999999973;
int main()
{
std::ifstream fin("lgput.in");
std::ofstream fout("lgput.out");
int n, p;
fin >> n >> p;
constexpr std::size_t BITS = sizeof(p) * 8;
int exp = n;
int sol = 1;
for (std::size_t i = 0; i < BITS; ++i)
{
bool bit = (p >> i) & 1;
if (bit)
{
sol *= exp;
sol %= MOD;
}
exp *= exp;
exp %= MOD;
}
fout << sol << '\n';
}