diff --git a/librerie/exercise3/binarytree/binarytree.cpp b/librerie/exercise3/binarytree/binarytree.cpp
index dabdb14..5060d17 100755
--- a/librerie/exercise3/binarytree/binarytree.cpp
+++ b/librerie/exercise3/binarytree/binarytree.cpp
@@ -6,7 +6,7 @@
 #include "../stack/stack.hpp"
 #include "../stack/lst/stacklst.hpp"
 #include "../stack/vec/stackvec.hpp"
-
+#include<iostream>
 namespace lasd {
 
 /* ************************************************************************** */
@@ -21,11 +21,22 @@ bool BinaryTree<Data>::Node::operator==(const Node& toEvaluate) const noexcept{
 template <typename Data>
 bool BinaryTree<Data>::Node::EqualNodes(const Node& n1, const Node& n2) const{
   if(n1.data == n2.data){
-    if(n1.IsLeaf() && n2.IsLeaf()) return true;
+
     if( (n1.HasLeftChild() && !n2.HasLeftChild()) || (n1.HasRightChild() && !n2.HasRightChild()) ) return false;
-    return( EqualNodes(n1.LeftChild(),n2.LeftChild()) &&
-            EqualNodes(n1.RightChild(),n2.RightChild())
-          );
+
+    if(n1.HasLeftChild() && n1.HasRightChild()){
+      return( EqualNodes(n1.LeftChild(),n2.LeftChild()) && EqualNodes(n1.RightChild(),n2.RightChild()));
+    }
+    else if(n1.HasLeftChild() && !n1.HasRightChild()){
+      return( EqualNodes(n1.LeftChild(),n2.LeftChild()));
+    }
+    else if(!n1.HasLeftChild() && n1.HasRightChild()){
+      return( EqualNodes(n1.RightChild(),n2.RightChild()));
+    }
+    else if(n1.IsLeaf()) {
+      return true;
+    }
+
   }else{
     return false;
   }
@@ -48,6 +59,7 @@ const Data& BinaryTree<Data>::Node::Element() const{
 
 template <typename Data>
 bool BinaryTree<Data>::operator==(const BinaryTree& toCompare) const noexcept{
+  if(size!=toCompare.size) return false;
   return(Root() == toCompare.Root());
 }
 
diff --git a/librerie/exercise3/binarytree/vec/binarytreevec.cpp b/librerie/exercise3/binarytree/vec/binarytreevec.cpp
index 53a6ff2..dfb5a35 100755
--- a/librerie/exercise3/binarytree/vec/binarytreevec.cpp
+++ b/librerie/exercise3/binarytree/vec/binarytreevec.cpp
@@ -32,7 +32,7 @@ bool BinaryTreeVec<Data>::NodeVec::IsLeaf() const noexcept{
 
 template <typename Data>
 bool BinaryTreeVec<Data>::NodeVec::HasLeftChild() const noexcept{
-  if(index*2+1 < ReferenceToTree->size){
+  if( (index*2)+1 < ReferenceToTree->size){
     return true;
   }else{
     return false;
@@ -41,7 +41,7 @@ bool BinaryTreeVec<Data>::NodeVec::HasLeftChild() const noexcept{
 
 template <typename Data>
 bool BinaryTreeVec<Data>::NodeVec::HasRightChild() const noexcept{
-  if(index*2+2 < ReferenceToTree->size){
+  if((index*2)+2 < ReferenceToTree->size){
     return true;
   }else{
     return false;
diff --git a/librerie/exercise3/build.sh b/librerie/exercise3/build.sh
index bd9c16e..f4b1d27 100755
--- a/librerie/exercise3/build.sh
+++ b/librerie/exercise3/build.sh
@@ -1,7 +1,7 @@
 
 #! /bin/bash
 
-g++ -O3 -o main \
+g++ -g -o main \
   zlasdtest/exercise1/simpletest.cpp zlasdtest/exercise1/fulltest.cpp \
   zlasdtest/exercise2/simpletest.cpp zlasdtest/exercise2/fulltest.cpp \
   zlasdtest/exercise3/simpletest.cpp zlasdtest/exercise3/fulltest.cpp \
diff --git a/librerie/exercise3/main.cpp b/librerie/exercise3/main.cpp
index 34faa12..0c107e9 100755
--- a/librerie/exercise3/main.cpp
+++ b/librerie/exercise3/main.cpp
@@ -11,6 +11,7 @@
 
 int main() {
   std::cout << "Lasd Libraries 2020" << std::endl;
+  //menu();
   lasdtest(); // To call in the menu of your library test!
   return 0;
 }
diff --git a/librerie/exercise3/zlasdtest/test.cpp b/librerie/exercise3/zlasdtest/test.cpp
index 49ed51f..92d6ae3 100755
--- a/librerie/exercise3/zlasdtest/test.cpp
+++ b/librerie/exercise3/zlasdtest/test.cpp
@@ -15,10 +15,10 @@ using namespace std;
 
 void lasdtest() {
   cout << endl << "~*~#~*~ Welcome to the LASD Test Suite ~*~#~*~ " << endl;
-  testSimpleExercise1();
-  testFullExercise1();
-  testSimpleExercise2();
-  testFullExercise2();
+  //testSimpleExercise1();
+  //testFullExercise1();
+  //testSimpleExercise2();
+  //testFullExercise2();
   testSimpleExercise3();
   testFullExercise3();
   cout << endl << "Goodbye!" << endl;
diff --git a/librerie/exercise3/zmytest/test.hpp b/librerie/exercise3/zmytest/test.hpp
index 99b9987..b42f0b9 100755
--- a/librerie/exercise3/zmytest/test.hpp
+++ b/librerie/exercise3/zmytest/test.hpp
@@ -2,10 +2,27 @@
 #ifndef MYTEST_HPP
 #define MYTEST_HPP
 
+
+#include"../vector/vector.hpp"
+#include"../list/list.hpp"
+#include"../queue/queue.hpp"
+#include"../queue/lst/queuelst.hpp"
+#include"../queue/vec/queuevec.hpp"
+#include"../stack/stack.hpp"
+#include"../stack/lst/stacklst.hpp"
+#include"../stack/vec/stackvec.hpp"
+#include"../iterator/iterator.hpp"
+#include"../binarytree/binarytree.hpp"
+#include"../binarytree/lnk/binarytreelnk.hpp"
+#include"../binarytree/vec/binarytreevec.hpp"
+#include<iostream>
+using namespace std;
 /* ************************************************************************** */
 
-// ...
+void menu(){
+  std::cout<<"MYTESTS\n";
+}
+
 
-/* ************************************************************************** */
 
 #endif