Cod sursa(job #1011391)
Utilizator | Data | 16 octombrie 2013 20:05:35 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include<fstream>
using namespace std;
long int putere(long int a,long int b)
{
long int p = 1;
while (b)
{
if( b%2 == 1)
{
p = (p*a)%1999999973;
b--;
}
a = (a*a)%1999999973;
b=b/2;
}
return p;
}
int main()
{
long int a,b;
ifstream in("lgput.in");
ofstream out("lgput.out");
in>>a>>b;
out<<putere(a,b);
out.close();
in.close();
return 0;
}