Cod sursa(job #1582330)
| Utilizator | Data | 27 ianuarie 2016 20:38:27 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.48 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
int main()
{
unsigned int n, p;
long long result, scale;
fin >>n >>p;
scale = n;
result = 1;
for (unsigned int i = 0; (1<<i) <= p ; ++i)
{
if ( ((1<<i) & p) > 0)
result = (result * scale) % 1999999973;
scale = (scale * scale) % 1999999973;
}
fout <<result <<'\n';
return 0;
}
