Cod sursa(job #2542407)
Utilizator | Data | 9 februarie 2020 22:21:48 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int lgput(int n, int p)
{
if (p==0) return 1;
if (p==1) return n%1999999973;
if (p%2==0) return (lgput(n,p/2)%1999999973)*(lgput(n,p/2)%1999999973);
if (p%2==1) return ((lgput(n,p/2)%1999999973*n)*(lgput(n,p/2)%1999999973))%1999999973;
}
int n,p;
int main()
{
fin >> n >> p;
fout << lgput(n,p);
return 0;
}