update code style for js

codes/javascript/chapter_computational_complexity/leetcode_two_sum.js

@@ -2,7 +2,7 @@
  * @Author: gyt95 (gytkwan@gmail.com)
  * @Date: 2022-12-15 10:51:54 
  * @Last Modified by: gyt95 (gytkwan@gmail.com)
- * @Last Modified time: 2022-12-15 10:56:26
+ * @Last Modified time: 2022-12-15 23:40:09
  */
 
 /**
@@ -11,26 +11,26 @@
  * @return {number[]}
  */
 function twoSumBruteForce(nums, target) {
-  let n = nums.length;
+    let n = nums.length;
-  // 两层循环，时间复杂度 O(n^2)
+    // 两层循环，时间复杂度 O(n^2)
-  for (let i = 0; i < n; i++) {
+    for (let i = 0; i < n; i++) {
-    for (let j = i + 1; j < n; j++) {
+        for (let j = i + 1; j < n; j++) {
-      if (nums[i] + nums[j] === target) {
+            if (nums[i] + nums[j] === target) {
-        return [i, j]
+                return [i, j];
-      }
+            }
+        }
     }
-  }
 }
 
 function twoSumHashTable(nums, target) {
-  // 辅助哈希表，空间复杂度 O(n)
+    // 辅助哈希表，空间复杂度 O(n)
-  let m = {}
+    let m = {};
-  // 单层循环，时间复杂度 O(n)
+    // 单层循环，时间复杂度 O(n)
-  for (let i = 0; i < nums.length; i++) {
+    for (let i = 0; i < nums.length; i++) {
-    if (m[nums[i]] !== undefined) {
+        if (m[nums[i]] !== undefined) {
-      return [m[nums[i]], i]
+            return [m[nums[i]], i];
-    } else {
+        } else {
-      m[target - nums[i]] = i;
+            m[target - nums[i]] = i;
+        }
     }
-  }
 }