TaroString.cpp

/**
 *    @author     : Maruf Tuhin
 *    @School     : CUET CSE 11
 *    @Topcoder   : the_redback
 *    @CodeForces : the_redback
 *    @UVA        : the_redback
 *    @link       : http://www.fb.com/maruf.2hin
 */
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<cctype>
#include<cmath>
#include<iostream>
#include<fstream>
#include<string>
#include<vector>
#include<queue>
#include<map>
#include<algorithm>
#include<set>
#include<sstream>
#include<stack>
using namespace std;

#define mem(a,b) memset(a,b,sizeof(a))
#define pb push_back
#define pp pop_back
#define inf 10000000
#define NN 200000

int check(string s,char ch)
{
    int i=0,ret=0;
    for(i=0;i<s.size();i++)
    {
        if(s[i]==ch)
            ret++;
    }
    return ret;
}

class TaroString
{
    public:
    string getAnswer(string s)
    {
        string ret;
        string ss="CAT";
        int j=0;
        for(int i=0;i<s.size() && j<ss.size();i++)
        {
            if(s[i]==ss[j])
                j++;
        }
        if(j!=3)
            ret="Impossible";
        else
        {
            if(check(s,'C')==1 &&check(s,'A')==1 && check(s,'T')==1)
                ret="Possible";
            else
                ret="Impossible";
        }

        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(); }
	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 = "XCYAZTX"; string Arg1 = "Possible"; verify_case(0, Arg1, getAnswer(Arg0)); }
	void test_case_1() { string Arg0 = "CTA"; string Arg1 = "Impossible"; verify_case(1, Arg1, getAnswer(Arg0)); }
	void test_case_2() { string Arg0 = "ACBBAT"; string Arg1 = "Impossible"; verify_case(2, Arg1, getAnswer(Arg0)); }
	void test_case_3() { string Arg0 = "SGHDJHFIOPUFUHCHIOJBHAUINUIT"; string Arg1 = "Possible"; verify_case(3, Arg1, getAnswer(Arg0)); }
	void test_case_4() { string Arg0 = "CCCATT"; string Arg1 = "Impossible"; verify_case(4, Arg1, getAnswer(Arg0)); }

// END CUT HERE

};

// BEGIN CUT HERE
int main()
{
    TaroString ___test;
    ___test.run_test(-1);
    int gbase;
    cin>>gbase; // erase this line if you are not using dev-cpp! :)
    return 0;
}
// END CUT HERE