Cod sursa(job #1487847)
Utilizator | Data | 17 septembrie 2015 15:42:38 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <fstream>
using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int a, p, rez;
int putere (int a, int p)
{
int mod=1999999973;
if(p==0) return 1;
long long aux=putere(a, p/2);
if (p%2==0) return aux*aux%mod;
else return a*aux*aux%mod;
}
int main()
{
in>>a>>p;
rez=putere (a, p);
out<<rez;
return 0;
}