Cod sursa(job #1853938)
Utilizator | Data | 22 ianuarie 2017 11:17:43 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int lgput(int b,int p)
{
unsigned long long rez;
if(p==0)
return 1;
rez=lgput(b,p/2);
rez=rez*rez;
if(p%2==1)
return rez*2;
return rez;
}
int main()
{
int b,p;
f>>b>>p;
g<<lgput(b,p)%1999999973;
return 0;
}