March 2014 update

Task/Averages-Mode/Julia/averages-mode.julia

@@ -0,0 +1,29 @@
+function modes(values)
+    dict = Dict() # Values => Number of repetitions
+    modesArray = typeof(values[1])[] # Array of the modes so far
+    max = 0 # Max of repetitions so far
+
+    for v in values
+        # Add one to the dict[v] entry (create one if none)
+        if v in keys(dict)
+            dict[v] += 1
+        else
+            dict[v] = 1
+        end
+
+        # Update modesArray if the number of repetitions
+        # of v reaches or surpasses the max value
+        if dict[v] >= max
+            if dict[v] > max
+                empty!(modesArray)
+                max += 1
+            end
+            append!(modesArray, [v])
+        end
+    end
+
+    return modesArray
+end
+
+println(modes([1,3,6,6,6,6,7,7,12,12,17]))
+println(modes((1,1,2,4,4)))

Task/Averages-Mode/Objective-C/averages-mode.m

@@ -9,9 +9,7 @@
     NSCountedSet *seen = [NSCountedSet setWithArray:self];
     int max = 0;
     NSMutableArray *maxElems = [NSMutableArray array];
-    NSEnumerator *enm = [seen objectEnumerator];
-    id obj;
-    while( (obj = [enm nextObject]) ) {
+    for ( obj in seen ) {
         int count = [seen countForObject:obj];
         if (count > max) {
             max = count;