competitive-programming/solved-topcoder/Solved/MicroStrings.cpp at master · the-redback/competitive-programming · GitHub

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/**
 *                                   ____
 *       ____ ___  ____ ________  __/ __/
 *      / __ `__ \/ __ `/ ___/ / / / /_
 *     / / / / / / /_/ / /  / /_/ / __/
 *    /_/ /_/ /_/\__,_/_/   \__,_/_/
 *
 *    @link : https://the-redback.com
 */
#include <bits/stdc++.h>
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

string convertInt(int number) {
    stringstream ss;  // create a stringstream
    ss << number;     // add number to the stream
    return ss.str();  // return a string with the contents of the stream
}

class MicroStrings {
public:
    string makeMicroString(int a, int d) {
        string ret = "";
        string s;
        // char arr[100];
        int res = 0;
        for (int i = 0;; i++) {
            if (a - (i * d) >= 0) {
                res = a - (i * d);
                s = convertInt(res);
                ret += s;
            } else
                break;
        }
        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();
    }

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() {
        int Arg0 = 12;
        int Arg1 = 5;
        string Arg2 = "1272";
        verify_case(0, Arg2, makeMicroString(Arg0, Arg1));
    }
    void test_case_1() {
        int Arg0 = 3;
        int Arg1 = 2;
        string Arg2 = "31";
        verify_case(1, Arg2, makeMicroString(Arg0, Arg1));
    }
    void test_case_2() {
        int Arg0 = 31;
        int Arg1 = 40;
        string Arg2 = "31";
        verify_case(2, Arg2, makeMicroString(Arg0, Arg1));
    }
    void test_case_3() {
        int Arg0 = 30;
        int Arg1 = 6;
        string Arg2 = "3024181260";
        verify_case(3, Arg2, makeMicroString(Arg0, Arg1));
    }

    // END CUT HERE
};

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