add: 只出现一次的数字等

src/array/sort-array-by-parity.js

@@ -0,0 +1,20 @@
+// LeetCode 922. 按奇偶排序数组 II https://leetcode-cn.com/problems/sort-array-by-parity-ii/
+
+export default (arr) => {
+  arr = arr.sort((a, b) => a - b)
+
+  const r = []
+  let odd = 1
+  let even = 0
+  arr.forEach(item => {
+    if (item % 2 === 1) {
+      r[odd] = item
+      odd += 2
+    } else {
+      r[even] = item
+      even += 2
+    }
+  })
+
+  return r
+}