diff -r 000000000000 -r 2f259fa3e83a ode/src/set.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ode/src/set.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,56 @@
+#include "set.h"
+
+set::set(){
+	n = 0;
+	el = new pair[MAX];
+}
+
+set::~set() {}
+
+int set::belongs(pair e){
+	for (int i = 1; i <= this->n; i++)
+	  if (el[i].getNum1() == e.getNum1() && el[i].getNum2() == e.getNum2()) return 1;
+	return 0;
+}
+
+int set::addElem(pair e){
+    if (! this->belongs(e)) 
+	{
+		el[++n]=e;
+		return 1;
+	}
+	else return 0;
+}
+
+int set::delElem(pair e){
+	int p = 0;
+	int i;
+	for (i = 1; i <= n; i++)
+		if (el[i].getNum1() == e.getNum1() && el[i].getNum2() == e.getNum2())  p = i;
+	if (p) 
+	{
+		for (i = p; i < n; i++)
+			el[i] = el[i+1];
+		n--;
+		return 1;
+	}
+	else return 0;
+
+}
+
+int set::length(){
+	return n;
+}
+
+pair set::getElem(int i){
+	return el[i];
+}
+
+int set::isEmpty(){
+	if (this->length() == 0) return 0;
+	else return 1;
+}
+
+iterator* set::setIterator(){
+	return new iterator(this);
+}