#include<iostream>
#include"ilcplex/ilocplex.h";

using namespace std;


int main(int argc, char** argv) {
	
	//Ime instance se prosledjuje kao argument komandne linije i to bez ekstenzije txt. Na primer pcp, pmed, tp,...

	char ime_instance[20];
	sprintf(ime_instance, "%s", argv[1]);
	char celo_ime[24];
	sprintf(celo_ime, "%s.txt", argv[1]);
	ifstream data(celo_ime);

	IloEnv env;
	try {
		IloModel model(env);

		IloInt n, m, p, check;
		data >> n;
		data >> m;
		data >> p;

		IloArray<IloNumArray>c(env, n);

		for (int i = 0; i < n; i++)
		{
			c[i] = IloNumArray(env, m);

			for (int j = 0; j < m; j++)
			{
				data >> c[i][j];
			}
		}

		data >> check;
		if (!check == 777)
			cout << "Podaci nisu ucitani kako treba.";


		IloNumVarArray y(env, m, 0, 1, ILOBOOL);
		IloArray<IloNumVarArray> x(env, n);

		for (int i = 0; i < n; i++)
		{
			x[i] = IloNumVarArray(env, m, 0, 1, ILOBOOL);

		}
		IloNumVar w(env);

		IloExpr fc(env);
		fc = w;
		model.add(IloMinimize(env, fc));

		IloExpr cond1(env);
		for (int j = 0; j < m; j++)
		{
			cond1 += y[j];
		}
		model.add(cond1 == p);
		cond1.end();

		for (int i = 0; i < n; i++)
		{
			for (int j = 0; j < m; j++)
			{
				IloExpr cond2(env);
				cond2 = x[i][j] - y[j];
				model.add(cond2 <= 0);
				cond2.end();
			}
		}

		for (int i = 0; i < n; i++)
		{
			IloExpr cond3(env);
			for (int j = 0; j < m; j++)
			{
				cond3 += x[i][j];
			}
			model.add(cond3 == 1);
			cond3.end();

		}

		for (int i = 0; i < n; i++)
		{
			IloExpr cond4(env);
			for (int j = 0; j < m; j++)
			{
				cond4 += c[i][j] * x[i][j];
			}
			model.add(cond4 - w <= 0);
			cond4.end();

		}



		IloCplex cplex(model);
		cplex.setOut(env.getNullStream());

		if (!cplex.solve())
			cout << "Nije nadjeno resenje.";

		cout << "Vrednost f-je cilja: " << cplex.getObjValue() << endl;
		cout << "Vreme: " << cplex.getTime() << endl;
		cout << "Status: " << cplex.getStatus();

		char ime_izlazne_datoteke[20];
		sprintf(ime_izlazne_datoteke, "%s_izlaz.txt", ime_instance);
		ofstream izlaz(ime_izlazne_datoteke);

		izlaz << "Reseavana je instanca: " << ime_instance << endl;
		izlaz << "Dobijena je vrednost funkcije cilja: " << cplex.getObjValue()<<endl;
		izlaz << "Vreme: " << cplex.getTime()<<endl;
		izlaz << "Status: " << cplex.getStatus() << endl;
		izlaz << "Ovo je bas zabavno :) " << endl;




	}
	catch (IloException& ex)
	{
		cout << "Desila se greska: " << ex << endl;
	}






}