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{"@context":"https://schema.org","@type":"Code","url":"https://leetcodejavascript.com/solutions/valid-square","name":"#593 - Valid Square - LeetCode JavaScript Solutions","description":"Given the coordinates of four points in 2D space p1, p2, p3 and p4, return true if the four points construct a square. The coordinate of a p...","programmingLanguage":"JavaScript","codeRepository":"https://github.com/JoshCrozier/leetcode-javascript","codeSampleType":"JavaScript","text":"/**\n * @param {number[]} p1\n * @param {number[]} p2\n * @param {number[]} p3\n * @param {number[]} p4\n * @return {boolean}\n */\nvar validSquare = function(p1, p2, p3, p4) {\n  const helper = (a, b) => (a[0] - b[0]) ** 2 + (a[1] - b[1]) ** 2;\n  const points = [p1, p2, p3, p4];\n  const set = new Set();\n\n  for (let i = 0; i < 4; i++) {\n    for (let j = i + 1; j < 4; j++) {\n      const d = helper(points[i], points[j]);\n      if (!d) {\n        return false;\n      }\n      set.add(d);\n    }\n  }\n\n  return set.size === 2;\n};","keywords":"LeetCode 593, #593 - Valid Square, Medium, JavaScript solution","learningResourceType":"Code","isAccessibleForFree":true,"educationalLevel":"intermediate","interactivityType":"mixed"}