diff --git a/search/searchAgents.py b/search/searchAgents.py
index 8f35e27..f43a88b 100644
--- a/search/searchAgents.py
+++ b/search/searchAgents.py
@@ -381,8 +381,21 @@ def cornersHeuristic(state, problem):
     corners = problem.corners # These are the corner coordinates
     walls = problem.walls # These are the walls of the maze, as a Grid (game.py)
 
+    
     "*** YOUR CODE HERE ***"
-    return 0 # Default to trivial solution
+    currentPosition, currentCornerSet = state
+    currentCornerList = list(currentCornerSet)
+    nb_corners = len(currentCornerList)
+    # Si on est sur le but, on retourne 0 tel que mentionne dans l'enonce
+    if problem.isGoalState(state):
+        return 0
+    else:
+        # Liste des distances de Manhattan vers les sommets restants
+        mh=[]
+        for i in range(nb_corners):
+            mh.append(util.manhattanDistance(currentPosition,currentCornerList[i]))
+        # On retourne la plus grande distance, qui est le meilleur scenario possible pour terminer
+    return max(mh)
 
 class AStarCornersAgent(SearchAgent):
     "A SearchAgent for FoodSearchProblem using A* and your foodHeuristic"
@@ -476,7 +489,15 @@ def foodHeuristic(state, problem):
     """
     position, foodGrid = state
     "*** YOUR CODE HERE ***"
-    return 0
+    foodList = foodGrid.asList()
+    nb_food = len(foodList)
+    if problem.isGoalState(state):
+        return 0
+    for food in foodList:
+        mh=[]
+        for i in range(nb_food):
+            mh.append(util.manhattanDistance(position,foodList[i]))
+    return max(mh)
 
 class ClosestDotSearchAgent(SearchAgent):
     "Search for all food using a sequence of searches"
@@ -507,6 +528,7 @@ class ClosestDotSearchAgent(SearchAgent):
         problem = AnyFoodSearchProblem(gameState)
 
         "*** YOUR CODE HERE ***"
+        return search.breadthFirstSearch(problem)
         util.raiseNotDefined()
 
 class AnyFoodSearchProblem(PositionSearchProblem):
@@ -543,6 +565,7 @@ class AnyFoodSearchProblem(PositionSearchProblem):
         x,y = state
 
         "*** YOUR CODE HERE ***"
+        return self.food[x][y]
         util.raiseNotDefined()
 
 def mazeDistance(point1, point2, gameState):