Cod sursa(job #2749864)
Utilizator | Data | 8 mai 2021 18:47:55 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <fstream>
using namespace std;
const int mod = 1999999973;
long long logpow(int n, int p, int MOD){
if(p == 1){
return n;
}
int rest = (p % 2) * n;
if(rest == 0){
rest = 1;
}
int power = logpow(n, p / 2, MOD);
return (power * power * rest) % MOD;
}
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int main(){
int n, p;
cin >> n >> p;
cout << logpow(n, p, mod);
}