Cod sursa(job #2145451)
Utilizator | Data | 27 februarie 2018 13:04:51 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <bits/stdc++.h>
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n, p;
long long logExp(long long n, long long p) {
if(p == 1) return n % MOD;
if(p % 2 == 1)
return ((n % MOD) * (logExp(n, p - 1) % MOD)) % MOD;
long long t = logExp(n, p / 2) % MOD;
return (t * t) % MOD;
}
int main()
{
fin >> n >> p;
fout << logExp(n, p);
return 0;
}