Cod sursa(job #2178061)
Utilizator | Din Iulian Andrulian | Data | 19 martie 2018 00:48:53 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.53 kb |
#include <iostream>
#include <fstream>
using namespace std;
///aici aplic RIDICAREA LA PUTERE IN TIMP LOGARITMIC;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int MOD=1999999973;
int ridicare_la_putere_logaritmic(int n,int k)
{
int r=1;
while(k)
{
if( k &1)///if(k%2==1)
r=(1LL * r * n) % MOD;
n=(1LL* n * n) % MOD;
k>>=1;///k/=2;
}
return r;
}
int n, k;
int main()
{
fin>>n>>k;
fout<<ridicare_la_putere_logaritmic(n,k);
return 0;
}