freeCodeCamp

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title	id	challengeType	videoUrl	localeTitle
Balanced brackets	594dc6c729e5700999302b45	5		Soportes equilibrados

Description

Determine si una cadena generada de corchetes está equilibrada; es decir, si consiste completamente en pares de paréntesis de apertura / cierre (en ese orden), ninguno de los cuales se equivoca.

Ejemplos:

(vacío) verdadero

[] verdadero

][ falso

[][] verdadero

][][ falso

[]][[] falso

[[[[]]]] verdadero

Instructions

Tests

tests:
  - text: <code>isBalanced</code> es una función.
    testString: 'assert(typeof isBalanced === "function", "<code>isBalanced</code> is a function.");'
  - text: '<code>isBalanced(&quot;[]&quot;)</code> debe devolver verdadero.'
    testString: 'assert(isBalanced(testCases[0]), "<code>isBalanced("[]")</code> should return true.");'
  - text: '<code>isBalanced(&quot;]][[[][][][]][&quot;)</code> debe devolver falso.'
    testString: 'assert(!isBalanced(testCases[1]), "<code>isBalanced("]][[[][][][]][")</code> should return false.");'
  - text: '<code>isBalanced(&quot;[][[[[][][[[]]]]]]&quot;)</code> debe devolver verdadero.'
    testString: 'assert(isBalanced(testCases[2]), "<code>isBalanced("[][[[[][][[[]]]]]]")</code> should return true.");'
  - text: '<code>isBalanced(&quot;][&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[3]), "<code>isBalanced("][")</code> should return true.");'
  - text: '<code>isBalanced(&quot;[[[]]]][[]&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[4]), "<code>isBalanced("[[[]]]][[]")</code> should return true.");'
  - text: '<code>isBalanced(&quot;][[]&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[5]), "<code>isBalanced("][[]")</code> should return true.");'
  - text: '<code>isBalanced(&quot;][[][]][[[]]&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[6]), "<code>isBalanced("][[][]][[[]]")</code> should return true.");'
  - text: '<code>isBalanced(&quot;[[][]]][&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[7]), "<code>isBalanced("[[][]]][")</code> should return true.");'
  - text: '<code>isBalanced(&quot;[[[]]][[]]]][][[&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[8]), "<code>isBalanced("[[[]]][[]]]][][[")</code> should return true.");'
  - text: '<code>isBalanced(&quot;[]][[]]][[[[][]]&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[9]), "<code>isBalanced("[]][[]]][[[[][]]")</code> should return true.");'
  - text: '<code>isBalanced(&quot;][]][[][&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[10]), "<code>isBalanced("][]][[][")</code> should return true.");'
  - text: '<code>isBalanced(&quot;[[]][[][]]&quot;)</code> debe devolver verdadero.'
    testString: 'assert(isBalanced(testCases[11]), "<code>isBalanced("[[]][[][]]")</code> should return true.");'
  - text: '<code>isBalanced(&quot;[[]]&quot;)</code> debe devolver verdadero.'
    testString: 'assert(isBalanced(testCases[12]), "<code>isBalanced("[[]]")</code> should return true.");'
  - text: '<code>isBalanced(&quot;]][]][[]][[[&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[13]), "<code>isBalanced("]][]][[]][[[")</code> should return true.");'
  - text: '<code>isBalanced(&quot;][]][][[&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[14]), "<code>isBalanced("][]][][[")</code> should return true.");'
  - text: '<code>isBalanced(&quot;][][&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[15]), "<code>isBalanced("][][")</code> should return true.");'
  - text: '<code>isBalanced(&quot;[[]]][][][[]][&quot;)</code> debe devolver verdadero.'
    testString: 'assert(!isBalanced(testCases[16]), "<code>isBalanced("[[]]][][][[]][")</code> should return true.");'
  - text: <code>isBalanced(&quot;&quot;)</code> debe devolver true.
    testString: 'assert(isBalanced(testCases[17]), "<code>isBalanced("")</code> should return true.");'

Challenge Seed

function isBalanced (str) {
  // Good luck!
  return true;
}

After Test

console.info('after the test');

Solution

// solution required

4.8 KiB Raw Blame History