AstronomicalRecordsEasy.cpp

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#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <algorithm>
#include <climits>
#include <set>
using namespace std;

class AstronomicalRecordsEasy
        {
        public:
        int gcd(int a, int b)
        {
            for (;;)
            {
                if (a == 0) return b;
                b %= a;
                if (b == 0) return a;
                a %= b;
            }
        }

        int lcm(int a, int b)
        {
            int temp = gcd(a, b);

            return temp ? (a / temp * b) : 0;
        }

        int minimalPlanets(vector <int> A, vector <int> B)
        {
            int res = INT_MAX;
            for(int i = 0; i < A.size(); i++){
                for(int j = 0; j < B.size(); j++){
                    set<int> S;
                    int x = lcm(A[i], B[j])/A[i], y = lcm(A[i], B[j])/B[j];
                    for(int l = 0; l < A.size(); l++) S.insert(x*A[l]);
                    for(int l = 0; l < B.size(); l++) S.insert(y*B[l]);
                    if(S.size() < res) res = S.size();
                }
            }
            return res;
        }

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	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(); }
	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[] = {1,2,3,4}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {2,3,4,5}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arg2 = 5; verify_case(0, Arg2, minimalPlanets(Arg0, Arg1)); }
	void test_case_1() { int Arr0[] = {1,2,3,4}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {2,4,6,8}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arg2 = 4; verify_case(1, Arg2, minimalPlanets(Arg0, Arg1)); }
	void test_case_2() { int Arr0[] = {1,2,3,5,6,8,9}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {2,4,5,6,7,8,9}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arg2 = 9; verify_case(2, Arg2, minimalPlanets(Arg0, Arg1)); }
	void test_case_3() { int Arr0[] = {1,2,3,4}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {6,7,8,9}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arg2 = 6; verify_case(3, Arg2, minimalPlanets(Arg0, Arg1)); }
	void test_case_4() { int Arr0[] = {200,500}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {100,200,300,400,600,700,800,900}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arg2 = 9; verify_case(4, Arg2, minimalPlanets(Arg0, Arg1)); }
	void test_case_5() { int Arr0[] = {1,2,3,4,5,6,7,8,9,10,11,12}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {6,7,8,9,10,11,12,13,14,15}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arg2 = 15; verify_case(5, Arg2, minimalPlanets(Arg0, Arg1)); }

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        };

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    int main()
        {
        AstronomicalRecordsEasy ___test;
        ___test.run_test(-1);
        }
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