Cod sursa(job #1912020)
| Utilizator | Data | 7 martie 2017 22:39:41 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.45 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int ridicareputere(int n, int p)
{
if(p==0) return 1;
else
if(p==1) return n;
else
if(p%2==0) return ridicareputere(n*n,p/2);
else
if(p%2==1) return n*ridicareputere(n*n,(p-1)/2);
}
int main()
{
int n,p;
fin>>n>>p;
fout<<ridicareputere(n,p)%1999999973;
return 0;
}
