diff --git a/src/main/java/ch/hepia/hangman/Hangman.java b/src/main/java/ch/hepia/hangman/Hangman.java
index 62fc13dd1366e462616d54deaea5c833a67eed66..00484bd6812e8f2cdc7650fd2a2c0169f21bbc70 100644
--- a/src/main/java/ch/hepia/hangman/Hangman.java
+++ b/src/main/java/ch/hepia/hangman/Hangman.java
@@ -44,7 +44,7 @@ public class Hangman
     /*
     Affiche l'etat de la potence en fonction du nombre d'essai.
     */
-    public static String showHangman(int essai)
+    public static void print(int essai)
     {
         String pot ="";
         pot=pot.concat("----------\n");
@@ -132,8 +132,7 @@ public class Hangman
             }
             break;
         }
-        pot=pot.concat("");
-        return pot;
+        System.out.print(pot);
     }
 
 }
diff --git a/src/main/java/ch/hepia/numeric/Vector.java b/src/main/java/ch/hepia/numeric/Vector.java
index 6efb5a5bc967a6dd75935b5b9bfe6e93bd88da38..8e0d83bc200fcbfbdeabb4b9355018f02a803e57 100644
--- a/src/main/java/ch/hepia/numeric/Vector.java
+++ b/src/main/java/ch/hepia/numeric/Vector.java
@@ -205,7 +205,10 @@ final public class Vector {
       return sum(vs).norm();
     }
 
-
+    /*
+    Overrides ecrits avant le cours sur le sujet ces fonctions sont 
+    a reecrire avec les nouvelles connaisances d'ici le deuxieme tag.
+    */
     @Override
     public String toString() {
       List<String> strings = new ArrayList<String>();
diff --git a/src/main/java/ch/hepia/structure/BinaryHeap.java b/src/main/java/ch/hepia/structure/BinaryHeap.java
index 746414078c8d98ed170d65730bb5769839a1edc7..2a8cb8474fae857bddcc19f808c49798a7332075 100644
--- a/src/main/java/ch/hepia/structure/BinaryHeap.java
+++ b/src/main/java/ch/hepia/structure/BinaryHeap.java
@@ -32,10 +32,7 @@ final public class BinaryHeap
     {
       int val=this.peek();
       this.set(0,0);
-      for(int i=0;i<this.depth();i++)
-      {
-        this.sort();
-      }
+      this.sort();
       if(this.size()>0)
       {
         this.lstBinaryHeap.remove(this.size()-1);
@@ -100,29 +97,35 @@ final public class BinaryHeap
     private void sort()
     {
       int index=this.size()-1;
-      while(index!=0)
+      for(int i=0;i<this.depth();i++)
       {
-        if(this.getParentNodeValue(index)<this.get(index))
+        index=this.size()-1;
+       
+        while(index!=0)
         {
-          //les place doivent etre changer
-          this.switchPlace(this.getParentNodeIndex(index),index);
-          //test la valeur d'a cote
-        }
-        else
-        {
-          //test si la branche existe
-          if(this.getSameLevelIndex(index)<this.size())
+          //regarde si la valeur du parent est plus petit que l'enfant
+          if(this.getParentNodeValue(index)<this.get(index))
+          {
+            //les place doivent etre changer
+            this.switchPlace(this.getParentNodeIndex(index),index);
+      
+          }
+          else//test la valeur d'a cote
           {
-            //si elle existe
-            index=this.getSameLevelIndex(index);//passe a l'index d'a coter
-            if(this.getParentNodeValue(index)<this.get(index))
+            //test si la branche existe
+            if(this.getSameLevelIndex(index)<this.size())
             {
-              //les place doivent etre changer
-              this.switchPlace(this.getParentNodeIndex(index),index);
+              //si elle existe
+              index=this.getSameLevelIndex(index);//passe a l'index d'a coter
+              if(this.getParentNodeValue(index)<this.get(index))
+              {
+                //les place doivent etre changer
+                this.switchPlace(this.getParentNodeIndex(index),index);
+              }
             }
           }
+          index=this.getParentNodeIndex(index);
         }
-        index=this.getParentNodeIndex(index);
       }
     }
 
@@ -169,6 +172,7 @@ final public class BinaryHeap
       }
     }
 
+
     private int getRightNodeIndex(int index)
     {
       return (2*index)+1;
diff --git a/src/test/java/ch/hepia/hangman/AppTest.java b/src/test/java/ch/hepia/hangman/AppTest.java
index 78184f298e23a168bb0e2dca6d1cacd9d5842448..38afd806b185a8045cfe8bf8a89a3dcd066a0b88 100644
--- a/src/test/java/ch/hepia/hangman/AppTest.java
+++ b/src/test/java/ch/hepia/hangman/AppTest.java
@@ -24,10 +24,5 @@ class HangmanTests
       hiddenWord=Hangman.check(hiddenWord,"david",'d');
       assertEquals(hiddenWord,"d___d");
   }
-  @Test
-  void check_potence()
-  {
-    String potence =Hangman.showHangman(2);
-    assertEquals(potence,"----------\n|/       |\n|\n|\n|\n|\n|\n|\n");
-  }
+
 }
diff --git a/src/test/java/ch/hepia/structure/AppTest.java b/src/test/java/ch/hepia/structure/AppTest.java
index a1c9be53203f32f3efb268a37ca10fabc24f2cd8..d97aad35b234fd0e6b32acf824ea6689ba4d3ef0 100644
--- a/src/test/java/ch/hepia/structure/AppTest.java
+++ b/src/test/java/ch/hepia/structure/AppTest.java
@@ -29,6 +29,7 @@ class BinaryHeapTest
     bHeap.push(1);lst.add(1);
     bHeap.push(2);lst.add(2);
     bHeap.push(7);lst.add(7);
+    bHeap.print();
     bHeap.push(40);lst.add(40);
     bHeap2.addAll(lst);
     bHeap.print();
@@ -43,8 +44,11 @@ class BinaryHeapTest
     assertEquals(bHeap.depth(),4);
     assertEquals(bHeap.peek(),100);
     assertEquals(bHeap.pop(),100);
+    bHeap.print();
     assertEquals(bHeap.pop(),40);
+    bHeap.print();
     assertEquals(bHeap.pop(),36);
+    bHeap.print();
     assertEquals(bHeap.size(),7);
     //bHeap.print();
     //assertEquals(bHeap,bHeap2);//ecrire un override pour equals