[leetcode]914. X of a Kind in a Deck of Cards (easy)

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;elsemap[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;
};