EllysScrabble.cpp

#include <iostream>
#include <sstream>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
using namespace std;
struct elem{

    int x;
    char y;
};

class EllysScrabble
        {

        public:
        string getMin(string letters, int maxDistance)
        {
            if(maxDistance >= letters.size()){
                sort(letters.begin(), letters.end());
                return letters;
            }
            int n = letters.size();
            elem A[n];
            for(int i = 0; i < n; i++){
                A[i].x = i;
                A[i].y = letters[i];
            }
            for(int i = 0; i < n; i++){

                for(int j = 0; j < n-maxDistance; j++){

                    for(int k = j; k < min(j + maxDistance, A[j].x + maxDistance); k++){
                            if(A[k].y > A[j].y && (A[k].x - maxDistance) >= k){
                                swap(A[j].x, A[k].x);
                                swap(A[j].y, A[k].y);
                            }
                    }

                }
            }
            string ret;
            for(int i = 0; i < n; i++) ret += A[i].y;
            return ret;
        }

// 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(); if ((Case == -1) || (Case == 4)) test_case_4(); if ((Case == -1) || (Case == 5)) test_case_5(); if ((Case == -1) || (Case == 6)) test_case_6(); }
	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 string &Expected, const string &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 = "TOPCODER"; int Arg1 = 3; string Arg2 = "CODTEPOR"; verify_case(0, Arg2, getMin(Arg0, Arg1)); }
	void test_case_1() { string Arg0 = "ESPRIT"; int Arg1 = 3; string Arg2 = "EIPRST"; verify_case(1, Arg2, getMin(Arg0, Arg1)); }
	void test_case_2() { string Arg0 = "BAZINGA"; int Arg1 = 8; string Arg2 = "AABGINZ"; verify_case(2, Arg2, getMin(Arg0, Arg1)); }
	void test_case_3() { string Arg0 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; int Arg1 = 9; string Arg2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; verify_case(3, Arg2, getMin(Arg0, Arg1)); }
	void test_case_4() { string Arg0 = "GOODLUCKANDHAVEFUN"; int Arg1 = 7; string Arg2 = "CADDGAHEOOFLUKNNUV"; verify_case(4, Arg2, getMin(Arg0, Arg1)); }
	void test_case_5() { string Arg0 = "AAAWDIUAOIWDESBEAIWODJAWDBPOAWDUISAWDOOPAWD"; int Arg1 = 6; string Arg2 = "AAAADDEIBWAEUIODWADSBIAJWODIAWDOPOAWDUOSPWW"; verify_case(5, Arg2, getMin(Arg0, Arg1)); }
	void test_case_6() { string Arg0 = "ABRACADABRA"; int Arg1 = 2; string Arg2 = "AABARACBDAR"; verify_case(6, Arg2, getMin(Arg0, Arg1)); }

// END CUT HERE

        };

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