Cod sursa(job #2198907)
| Utilizator | Data | 25 aprilie 2018 19:54:04 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.5 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 ridicare1_la_putere_logaritmic(int n,int k)
{
int r=1;
for(long long i=1; i<=k; i<<=1)
{
if(k&i)
r=(1LL*r*n)%MOD;
n=(1LL*n*n)%MOD;
}
return r;
}
int n, k;
int main()
{
fin>>n>>k;
fout<<ridicare1_la_putere_logaritmic(n,k);
return 0;
}
