Cod sursa(job #1853940)
Utilizator | Data | 22 ianuarie 2017 11:19:28 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long lgput(int b,int p)
{
long long rez;
if(p==0)
return 1;
rez=lgput(b,p/2);
rez=(rez*rez)%1999999973;
if(p%2==1)
return (rez*2)%1999999973;
return rez;
}
int main()
{
int b,p;
f>>b>>p;
g<<lgput(b,p);
return 0;
}