Cod sursa(job #693348)
Utilizator | Data | 27 februarie 2012 11:49:43 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 40 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
#include <cmath>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,p,pa,ni,ok;
int main()
{
f>>n>>p;
pa=2;
ni=n;
n=pow(n,2);
while(pa*2<=p)
{
n=n*n;
pa=pa*2;
n=n%1999999973;
}
while(pa<p)
{
n=n*ni,pa++;
n=n%1999999973;
}
g<<n<<'\n';
f.close();
g.close();
return 0;
}