C++
#include <iostream> #include <vector> using namespace std; int main() { string input; char target; while(cin >> input >> target) { vector<int> v(128,0); for(int i = 0; i < input.size(); i++) { v[input[i]] += 1; } if(target >= 'a' && target <= 'z') cout << v[target]+v[target-32] << endl; else if(target >= 'A' && target <= 'Z') cout << v[target]+v[target+32] << endl; else cout << v[target]<< endl; } return 0; }