Cod sursa(job #1908044)
Utilizator | Data | 6 martie 2017 22:24:30 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
unsigned long long a, p, c;
unsigned long long ridic(long long b)
{
if (b==1) return a;
if (b%2==0) return (ridic(b/2)%c)*(ridic(b/2)%c)%c;
if (b%2==1) return (ridic(b-1)*a)%c;
}
int main()
{
fin>>a>>p;
c=1999999973;
a=a%c;
fout<<ridic(p);
return 0;
}