Cod sursa(job #1163966)
Utilizator | Data | 1 aprilie 2014 19:22:27 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.47 kb |
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n,p;
long long put(long long p)
{
long long x,y;
if(p==1)
x=n;
else if(p==2)
x=n*n;
else
{
y=put(p/2);
x=(y*y)%mod;
if(p%2)
x=x*n;
}
return x%mod;
}
int main()
{
fin>>n>>p;
fout<<put(p);
return 0;
}