Cod sursa(job #2436080)
| Utilizator | Data | 4 iulie 2019 15:55:30 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.45 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int MOD = 1999999973;
int epq(int n, int p)
{
if(p == 1)
{
return n;
}
if(n % 2 == 0)
{
return epq(n*n % MOD, p>>1);
}
else
{
return n * epq(n*n % MOD, p>>1);
}
}
int main()
{
int n, p;
fin>>n>>p;
fout<<epq(n, p);
return 0;
}
