Cod sursa(job #859146)
Utilizator | Data | 19 ianuarie 2013 19:09:40 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n, p;
int log(int n, int p)
{
long long k;
if (!p) return 1;
if (p%2 == 0)
{
k = log(n,p/2);
return (k*k)% 1999999973;
}
k = log(n,p-1);
return (n*k)% 1999999973;
}
int main()
{
f>>n>>p;
g<<log(n,p);
}