{

public:

int getNumber(string S)

{

set<string> sol;

if(S.size() == 1) return 1;

for(int i = 0; i < S.size(); i++) sol.insert(S.substr(0,i) + S.substr(i+1));

return sol.size();

}

public:

void run_test(int Case) { if ((Case == -1) || (Case == 0)) test_case_0(); if ((Case == -1) || (Case == 1)) test_case_1(); if ((Case == -1) || (Case == 2)) test_case_2(); if ((Case == -1) || (Case == 3)) test_case_3(); if ((Case == -1) || (Case == 4)) test_case_4(); }

private:

template <typename T> string print_array(const vector<T> &V) { ostringstream os; os << "{ "; for (typename vector<T>::const_iterator iter = V.begin(); iter != V.end(); ++iter) os << '\"' << *iter << "\","; os << " }"; return os.str(); }

void verify_case(int Case, const int &Expected, const int &Received) { cerr << "Test Case #" << Case << "..."; if (Expected == Received) cerr << "PASSED" << endl; else { cerr << "FAILED" << endl; cerr << "\tExpected: \"" << Expected << '\"' << endl; cerr << "\tReceived: \"" << Received << '\"' << endl; } }

void test_case_0() { string Arg0 = "A"; int Arg1 = 1; verify_case(0, Arg1, getNumber(Arg0)); }

void test_case_1() { string Arg0 = "ABA"; int Arg1 = 3; verify_case(1, Arg1, getNumber(Arg0)); }

void test_case_2() { string Arg0 = "AABACCCCABAA"; int Arg1 = 7; verify_case(2, Arg1, getNumber(Arg0)); }

void test_case_3() { string Arg0 = "AGAAGAHHHHFTQLLAPUURQQRRRUFJJSBSZVJZZZ"; int Arg1 = 26; verify_case(3, Arg1, getNumber(Arg0)); }

void test_case_4() { string Arg0 = "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ"; int Arg1 = 1; verify_case(4, Arg1, getNumber(Arg0)); }

{

AlienAndPassword ___test;

___test.run_test(-1);