SupermarketDiscount.cpp

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#include <sstream>
#include <string>
#include <vector>
#include <map>
#include <algorithm>
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <utility>
#include <set>
#include <cctype>

using namespace std;

class SupermarketDiscount {
public:
  int minAmount(vector <int> goods)
  {
    int com = 0;
    int ret = 0;

    for (int i=0; i<goods.size(); i++)
      {
	if (goods[i] >= 50)
	  ret += goods[i] - 10;
	else
	  com += goods[i];
      }

    ret += com;

    if (com >= 50)
      ret -= 10;      

    return ret;
  }

   
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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(); }
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[] = {46, 62, 9}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 97; verify_case(0, Arg1, minAmount(Arg0)); }
  void test_case_1() { int Arr0[] = {50, 62, 93}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 175; verify_case(1, Arg1, minAmount(Arg0)); }
  void test_case_2() { int Arr0[] = {5, 31, 15}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 41; verify_case(2, Arg1, minAmount(Arg0)); }
  void test_case_3() { int Arr0[] = {5, 3, 15}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 23; verify_case(3, Arg1, minAmount(Arg0)); }

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};

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