Cod sursa(job #1690468)
Utilizator | Data | 15 aprilie 2016 09:18:24 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.56 kb |
#include <fstream>
#include <cmath>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
long long exp(int n, int p)
{
long long x=1;
while(p)
{
if(p&1)
{
x=(x*n)%1999999973;
p--;
}
n=(n*n)%1999999973;
p/=2;
}
return x;
}
int N, k;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cin>>N>>k;
cout<<exp(N,k);
return 0;
}