Cod sursa(job #1509232)
Utilizator | Data | 23 octombrie 2015 16:34:17 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.43 kb |
#include <fstream>
#include<cmath>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
int P;
long long N,R=1;
in>>N>>P;
while(P!=1)
{
if(P%2==0)
{
P=P/2;
N=(N*N)%1999999973;
}
else
{
P=P-1;
R=(R*N)%1999999973;
}
}
N=N*R;
out<<N<<endl;
return 0;
}