Cod sursa(job #1389080)
| Utilizator |  Rapeanu-Andreescu Stefan StefanRA |
Data | 15 martie 2015 22:29:03 |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.29 kb |
#include <fstream>
#define c 1999999973
long long int a, b, r=1;
void modulo()
{
while (b)
{
if (b%2==1)
r=(r*a)%c;
a=(a*a)%c;
b/=2;
}
}
int main()
{
std::ifstream fin("lgput.in");
std::ofstream fout("lgput.out");
fin>>a>>b;
modulo();
fout<<r%c;
return 0;
}