Cod sursa(job #1206891)
Utilizator | Data | 11 iulie 2014 13:55:31 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.51 kb |
#include <iostream>
#include <fstream>
using namespace std;
int RidicareLog(long long nr, long long ex);
int main()
{
ifstream in("lgput.in");
ofstream out("lgput.out");
long long n,p;
in >> n >> p;
out << RidicareLog(n,p)%1999999973;
return 0;
}
int RidicareLog(long long nr, long long ex)
{
long long p=1;
while(ex>0)
{
if(ex & 1)
{
p=p*nr;
ex--;
}
nr=nr*nr;
ex=ex/2;
}
return p;
}