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{"@context":"https://schema.org","@type":"Code","url":"https://leetcodejavascript.com/solutions/design-bitset","name":"#2166 - Design Bitset - LeetCode JavaScript Solutions","description":"A Bitset is a data structure that compactly stores bits. Implement the Bitset class:  Bitset(int size) Initializes the Bitset with size bits...","programmingLanguage":"JavaScript","codeRepository":"https://github.com/JoshCrozier/leetcode-javascript","codeSampleType":"JavaScript","text":"/**\n * @param {number} size\n */\nvar Bitset = function(size) {\n  this.bits = new Uint8Array(size);\n  this.ones = 0;\n  this.flipped = false;\n};\n\n/**\n * @param {number} idx\n * @return {void}\n */\nBitset.prototype.fix = function(idx) {\n  if (this.flipped) {\n    if (this.bits[idx] === 1) {\n      this.bits[idx] = 0;\n      this.ones++;\n    }\n  } else {\n    if (this.bits[idx] === 0) {\n      this.bits[idx] = 1;\n      this.ones++;\n    }\n  }\n};\n\n/**\n * @param {number} idx\n * @return {void}\n */\nBitset.prototype.unfix = function(idx) {\n  if (this.flipped) {\n    if (this.bits[idx] === 0) {\n      this.bits[idx] = 1;\n      this.ones--;\n    }\n  } else {\n    if (this.bits[idx] === 1) {\n      this.bits[idx] = 0;\n      this.ones--;\n    }\n  }\n};\n\n/**\n * @return {void}\n */\nBitset.prototype.flip = function() {\n  this.flipped = !this.flipped;\n  this.ones = this.bits.length - this.ones;\n};\n\n/**\n * @return {boolean}\n */\nBitset.prototype.all = function() {\n  return this.ones === this.bits.length;\n};\n\n/**\n * @return {boolean}\n */\nBitset.prototype.one = function() {\n  return this.ones > 0;\n};\n\n/**\n * @return {number}\n */\nBitset.prototype.count = function() {\n  return this.ones;\n};\n\n/**\n * @return {string}\n */\nBitset.prototype.toString = function() {\n  let result = '';\n  for (let i = 0; i < this.bits.length; i++) {\n    result += this.flipped ? 1 - this.bits[i] : this.bits[i];\n  }\n  return result;\n};","keywords":"LeetCode 2166, #2166 - Design Bitset, Medium, JavaScript solution","learningResourceType":"Code","isAccessibleForFree":true,"educationalLevel":"intermediate","interactivityType":"mixed"}