1 #include<iostream> 2 #include<cstdio> 3 #include<cmath> 4 using namespace std; 5 int f(int x,int n) 6 { 7 int now=1; 8 while(n) 9 { 10 if(n&1) 11 { 12 now=now*x; 13 } 14 x=x*x; 15 n>>=1; 16 } 17 return now; 18 } 19 int main() 20 { 21 int x,n; 22 cin>>x>>n; 23 cout<<f(x,n); 24 return 0; 25 }