all tasks

Task/Sorting-algorithms-Counting-sort/Lua/sorting-algorithms-counting-sort.lua

@@ -0,0 +1,30 @@
+function CountingSort( f )
+    local min, max = math.min( unpack(f) ), math.max( unpack(f) )
+    local count = {}
+    for i = min, max do
+        count[i] = 0
+    end
+
+    for i = 1, #f do
+        count[ f[i] ] = count[ f[i] ] + 1
+    end
+
+    local z = 1
+    for i = min, max do
+        while count[i] > 0 do
+            f[z] = i
+            z = z + 1
+            count[i] = count[i] - 1
+        end
+    end
+
+end
+
+
+f = { 15, -3, 0, -1, 5, 4, 5, 20, -8 }
+
+CountingSort( f )
+
+for i in next, f do
+    print( f[i] )
+end