Cod sursa(job #2053870)
Utilizator | Data | 1 noiembrie 2017 14:35:54 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n,p,b;
long long putere(int a,int p)
{
if(p==0)
{
return 1;
}
if(p==1)
{
return a%1999999973;
}
else
{
if(p%2==1)
{
b=b*a%1999999973;
}
return putere(a*a,p/2);
}
}
int main()
{
f>>n>>p;
b=1;
g<<putere(n,p)*b%1999999973<<'\n';
return 0;
}