Cod sursa(job #2044968)
| Utilizator | Data | 21 octombrie 2017 17:21:35 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.43 kb |
#include <bits/stdc++.h>
using namespace std;
const int mod = 1999999973;
int putere(int N, int P)
{
if(P == 0)
return 1;
if(P == 1)
return N;
if(P % 2 == 0)
return putere(N * N, P / 2) % mod;
else
return N * (putere(N * N, (P - 1) / 2) & mod);
}
int main()
{
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
int N, P;
cin >> N >> P;
cout << putere(N, P);
return 0;
}