Cod sursa(job #2952028)
| Utilizator | Data | 8 decembrie 2022 08:30:01 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.4 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int MOD = 1999999973;
int n, p;
int exp(int n, int p)
{
if(p == 0)return 1;
else if(p % 2 == 1)return n * exp(n * n, (p - 1) / 2) % MOD;
else if(p % 2 == 0)return exp(n * n, p / 2) % MOD;
}
int main()
{
fin >> n >> p;
fout << exp(n, p) % MOD;
return 0;
}
