1 #include <iostream>
 2 using namespace std;
 3 int f[11] = {1, 1};
 4 
 5 
 6 int main(){
 7     for(int i = 2; i < 11; i++){
 8         f[i] = i * f[i-1];
 9     }
10     int test, n, m;
11     char c;
12     cin >> test;
13     while(test--){
14         cin >> c >> n >> m;
15         if(c == ‘A‘)
16             cout << f[n] / f[n - m] << endl;
17         else if(c == ‘C‘)
18             cout << f[n] / f[m] / f[n - m] << endl;
19     }
20     return 0;
21 }