Ex. 14.3-3 change

Not sure about the answer given as what it `res` there and what is returned.

C14-Augmenting-Data-Structures/14.3.md

@@ -28,16 +28,17 @@ Describe an efficient algorithm that, given an interval i, returns an interval o
 
 ### `Answer`
 
-			MIN-INTERVAL-SEARCH(T, i)
-				x <- root[T]
-				res <- INT_MAX
-				while x != nil[T]
-					if i overlap int[x]
-						res <- min(res, low[x])
-					do if left[x] != nil[T] and max[left[x]] >= low[i]
-						then x<-left[x]
-						else x<-right[x]
-				return x	
+	MIN-INTERVAL-SEARCH(T,i):
+	  x = T.root
+	  while x != T.nil:
+		  if x.left != T.nil and i.low <= x.left.max:
+			  x = x.left
+		  elif x.int overlaps i:
+			  break
+		  else
+			  x = x.right
+	  return x
+
 
 ### Exercises 14.3-4
 ***