Cod sursa(job #2049945)
| Utilizator | Data | 27 octombrie 2017 20:22:09 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.45 kb |
#include <fstream>
#include <string.h>
using namespace std;
const int m = 1999999973;
unsigned int i, n, p;
long long a, sol = 1;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
int main()
{
fin>>n>>p;
a = n;
for (i = 0; (1<<i) <= p; ++ i)
{
if ( ((1<<i) & p) > 0)
sol = (sol * a) % m;
a = (a * a) % m;
}
fout<<sol;
fin.close();
fout.close();
return 0;
}
