Cod sursa(job #1833688)
| Utilizator | Data | 22 decembrie 2016 22:04:46 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.51 kb |
#include <iostream>
#include <cstdint>
#include <cmath>
using namespace std;
int64_t exponentiere(int N, int P){
int64_t rez;
if(P == 0)
return 1;
if(P == 1)
return N;
if(P%2 == 0)
return exponentiere(N*N, P/2) % 1999999973;
else
return N*(exponentiere(N*N, (P-1)/2) % 1999999973) % 1999999973;
}
int main(){
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
int N, P;
cin >> N >> P;
cout << exponentiere(N, P) ;
return 0;
}
