Data update

Task/Balanced-brackets/Nu/balanced-brackets.nu

@@ -0,0 +1,12 @@
+def gen_brackets [n: int] { 1..$in | each {["[" "]"]} | flatten | shuffle | str join }
+
+def check_brackets [] {
+	split chars | reduce --fold 0 {|x, d|
+		if ($d < 0) {-1} else {
+			$d + (if ($x == "[") {1} else {-1})
+		}
+	} | $in > -1
+}
+
+
+1..10 | each {gen_brackets $in | {brackets: $in, valid: ($in | check_brackets)}} | print