Cod sursa(job #1105281)
Utilizator | Data | 11 februarie 2014 17:53:16 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
#define mod 1999999973
typedef long long int lli;
lli n,p,x,r=1;
int power(lli n,lli p)
{
lli r=1;
while(p!=1)
{if(p%2==1)
r=(n*r)%mod;
n=(n*n)%mod;
p=p/2;}
return (n*r)%mod;
}
int main()
{
f>>n>>p;
g<<power(n,p);
f.close();g.close();
return 0;
}