Balanced brackets: Difference between revisions

ELENA 46.x :

if (0 == len)

{

^emptyString

}

else

{

var brackets :=

Array.allocate(len).populate::(i => $91)

+

Array.allocate(len).populate::(i => $93);

brackets := brackets.randomize(len * 2);

^ brackets.summarize(new StringWriter()).toString()

}

get isBalanced()

{

var counter := new Integer(0);

self.seekEach::(ch => counter.append((ch==$91).iif(1,-1)) < 0);

^ (0 == counter)

}

for(int len := 0, len < 9, len += 1)

{

var str := randomBrackets(len);

console.printLine("""",str,"""",str.isBalanced ? " is balanced" : " is not balanced")

};

console.readChar()