Cod sursa(job #2436097)
| Utilizator | Data | 4 iulie 2019 16:08:47 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.5 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int MOD = 1999999973;
long long epq(long long n, long long p)
{
if(p == 1)
{
return n % MOD;
}
if(p % 2 == 0)
{
return epq((n*n) % MOD, p>>1)%MOD;
}
else
{
return(n * epq((n*n) % MOD, p>>1) % MOD);
}
}
int main()
{
long long n, p;
fin>>n>>p;
fout<<epq(n, p)%MOD;
return 0;
}
