BinPacking.cpp

#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;

class BinPacking
{
    public:
    int minBins(vector <int> v)
    {
        int ret=0;
        int n=v.size();
        vector<int>flag (n,0);
        sort(v.rbegin(),v.rend());
        for(int i=0;i<n;i++)
        {
            if(flag[i]==0)
            {
                int rem=300-v[i];
                for(int j=i+1;j<n;j++)
                    if(flag[j]==0 && v[j]<=rem)
                    {
                        rem-=v[j];
                        flag[j]=1;
                    }
                ret++;
            }
        }
        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 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[] = {150, 150, 150, 150, 150}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 3; verify_case(0, Arg1, minBins(Arg0)); }
	void test_case_1() { int Arr0[] = {130, 140, 150, 160}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 2; verify_case(1, Arg1, minBins(Arg0)); }
	void test_case_2() { int Arr0[] = {100, 100, 100, 100, 100, 100, 100, 100, 100}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 3; verify_case(2, Arg1, minBins(Arg0)); }
	void test_case_3() { int Arr0[] = {100, 200, 100, 100, 100, 100, 200, 100, 200}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 4; verify_case(3, Arg1, minBins(Arg0)); }
	void test_case_4() { int Arr0[] = {157, 142, 167, 133, 135, 157, 143, 160, 141, 123, 162, 159, 165, 137, 138, 152}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arg1 = 8; verify_case(4, Arg1, minBins(Arg0)); }

// END CUT HERE

};

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