competitive-programming/solved-topcoder/Solved/WinterAndMandarins.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 inf HUGE_VAL

class WinterAndMandarins {
public:
    int getNumber(vector<int> v, int K) {
        int ret;
        sort(v.begin(), v.end());
        int i, k = inf;
        for (i = 0; i + K - 1 < v.size(); i++) {
            k = min(k, v[i + K - 1] - v[i]);
        }
        return ret = k;
    }

    // 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 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() {
        int Arr0[] = {10, 20, 30};
        vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
        int Arg1 = 2;
        int Arg2 = 10;
        verify_case(0, Arg2, getNumber(Arg0, Arg1));
    }
    void test_case_1() {
        int Arr0[] = {4, 7, 4};
        vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
        int Arg1 = 3;
        int Arg2 = 3;
        verify_case(1, Arg2, getNumber(Arg0, Arg1));
    }
    void test_case_2() {
        int Arr0[] = {4, 1, 2, 3};
        vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
        int Arg1 = 3;
        int Arg2 = 2;
        verify_case(2, Arg2, getNumber(Arg0, Arg1));
    }
    void test_case_3() {
        int Arr0[] = {5, 4, 6, 1, 9, 4, 2, 7, 5, 6};
        vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
        int Arg1 = 4;
        int Arg2 = 1;
        verify_case(3, Arg2, getNumber(Arg0, Arg1));
    }
    void test_case_4() {
        int Arr0[] = {47, 1000000000, 1, 74};
        vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
        int Arg1 = 2;
        int Arg2 = 27;
        verify_case(4, Arg2, getNumber(Arg0, Arg1));
    }

    // END CUT HERE
};

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