Cod sursa(job #2436096)
Utilizator | Termure Catalin catalintermure | Data | 4 iulie 2019 16:08:11 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include <fstream>
using namespace std;
ifstream inf("lgput.in");
ofstream outf("lgput.out");
const unsigned int MOD = 1999999973;
long long epq(long long x, long long p) {
if(p == 1) {
return x % MOD;
}
else {
if(p & 1) {
return (x * epq((x * x) % MOD, p >> 1)) % MOD;
}
else {
return epq((x * x) % MOD, p >> 1) % MOD;
}
}
}
int main() {
long long n, p, x;
inf >> n >> p;
outf << epq(n, p);
return 0;
}