Cod sursa(job #3185893)
Utilizator | Chiriac Andrei chiriacandrei25 | Data | 20 decembrie 2023 19:45:49 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <fstream>
using namespace std;
const int MOD = 1999999973;
int logPow(int n, int p) {
if(p == 0) {
return 1;
}
int x = logPow(n, p / 2);
int x_p = (1LL * x * x) % MOD;
if(p % 2 == 0) {
return x_p;
}
return (1LL * x_p * n) % MOD;
}
int main() {
int n, p;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
fin >> n >> p;
fout << logPow(n, p);
return 0;
}