tasks a-s

Task/Ordered-Partitions/Groovy/ordered-partitions-1.groovy

@@ -0,0 +1,13 @@
+def partitions = { int... sizes ->
+    int n = (sizes as List).sum()
+    def perms = n == 0 ? [[]] : (1..n).permutations()
+    Set parts = perms.collect { p -> sizes.collect { s -> (0..<s).collect { p.pop() } as Set } }
+    parts.sort{ a, b ->
+        if (!a) return 0
+        def comp = [a,b].transpose().find { it[0] != it[1] }
+        if (!comp) return 0
+        def recomp = comp.collect{ it as List }.transpose().find { it[0] != it[1] }
+        if (!recomp) return 0
+        return recomp[0] <=> recomp[1]
+    }
+}

Task/Ordered-Partitions/Groovy/ordered-partitions-2.groovy

@@ -0,0 +1,3 @@
+partitions(2, 0, 2).each {
+    println it
+}