Cod sursa(job #2045104)
| Utilizator | Data | 21 octombrie 2017 20:27:33 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.64 kb |
#include<fstream>
using namespace std;
int main()
{
ifstream read("lgput.in");
ofstream write("lgput.out");
unsigned long long int n;
unsigned long long int p;
read>>n>>p;
unsigned long long int lgput = 1;
unsigned long long int cur_power=1;
unsigned long long int h = (n % 1999999973);
while(p != 0)
{
while(cur_power * 2 <= p)
{
lgput = (lgput * h) % 1999999973;
cur_power = cur_power * 2;
h = ( h * h ) % 1999999973;
}
p = p - cur_power;
cur_power = 1;
h = n;
}
write<<lgput;
return 0;
}
