方法一 哈希Map
用两个Map集合分别统计target和arr里出现的元素和出现的次数,在比较两个Map集合看是否出现的元素和次数都相同
var canBeEqual function(target, arr) {let map1 new Map();let map2 new Map();for (let item of target) {map1.set(item, (map1…
PyCharm 新建目录 [directory or folder] 1. 新建目录2. Enter new directory name -> OKReferences 1. 新建目录
right mouse click on the project -> New -> Directory 2. Enter new directory name -> OK
References
[1] Yongqiang Cheng, https:/…