Cod sursa(job #2032606)
Utilizator | Data | 5 octombrie 2017 14:43:45 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include<fstream>
#define NrMare 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n, p;
long long log(long long n, long long p)
{
if(p==1)
return n%NrMare;
if(p%2==0)
return log(n*n%NrMare, p/2) %NrMare;
else return n*log(n*n%NrMare, (p-1)/2) %NrMare;
}
int main () {
f>>n>>p;
g<<log(n, p);
return 0;
}