Cod sursa(job #2046058)
Utilizator | Data | 23 octombrie 2017 12:53:58 | |
---|---|---|---|
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 f("lgput.in");
ofstream g("lgput.out");
int lgput(int x,int n)
{
int p;
if(n>0)
{
p=lgput(x,n/2);
p=(1ll*p*p)%1999999973;
if(n%2==1)
p=(1ll*p*x)%1999999973;
return p;
}
else
return 1;
}
int x,n;
int main()
{
f>>x>>n;
g<<lgput(x,n);
}