HappyLetterDiv2.cpp

#include <iostream>
#include <sstream>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <cstring>
#include <climits>
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<string> vs;
typedef vector<vs> vvs;

class HappyLetterDiv2 {
        public:
        char getHappyLetter(string L)
        {
            int m = L.size();
            int c[250];
            memset(c, 0, sizeof(c));
            for(char cc : L) c[cc]++;
            char r = '.';
            cout<<m<<endl;
            for(char cc : L) cout<<char(cc)<<" "<<c[cc]<<endl;
            for(char cc : L)
                if(c[cc] > m/2) r = cc;

            return r;
        }

// BEGIN CUT HERE
	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(); }
	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 char &Expected, const char &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 = "aacaaa"; char Arg1 = 'a'; verify_case(0, Arg1, getHappyLetter(Arg0)); }
	void test_case_1() { string Arg0 = "dcdjx"; char Arg1 = '.'; verify_case(1, Arg1, getHappyLetter(Arg0)); }
	void test_case_2() { string Arg0 = "bcbbbbba"; char Arg1 = 'b'; verify_case(2, Arg1, getHappyLetter(Arg0)); }
	void test_case_3() { string Arg0 = "aabc"; char Arg1 = '.'; verify_case(3, Arg1, getHappyLetter(Arg0)); }

// END CUT HERE

};

// BEGIN CUT HERE
     int main()
     {
        HappyLetterDiv2 ___test;
        ___test.run_test(-1);
     }
// END CUT HERE