Cod sursa(job #3226639)
Utilizator | Data | 22 aprilie 2024 13:18:30 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <fstream>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int exp(int a,int n){
if(n==0)
return 1;
if(n%2==1)
return a*exp(a,n-1);
long long p;
p=a*a;
p=exp(a,n/2)%1999999973;
return p*p;
}
int main()
{
long long a,n;
cin>>a>>n;
cout<<exp(a,n)%1999999973;
return 0;
}