原题
题目原意可转换为 两组有大于等于2的公因数
/** * @param {number[]} deck * @return {boolean} */ var hasGroupsSizeX = function(deck) { var map = {}; for (let i = 0; i < deck.length; i++) { if (map[deck[i]]) map[deck[i]] += 1; else map[deck[i]] = 1; } var min = map[deck[0]]; for (var i in map) { if (map[i] <= min) { min = map[i]; } } if (min < 2) { return false; } var flag; for (var i = 2; i <= min; i++) { flag = true; for (var k in map) { if (map[k] % i != 0) { flag = false; break; } } if (flag) { return true; } } return false; };转载于:https://www.cnblogs.com/ruoh3kou/p/9893432.html
