From 48de0f8bd55e24b2b9233648e0f85e4fcb75c0c0 Mon Sep 17 00:00:00 2001
From: Steve2020 <841532108@qq.com>
Date: Fri, 1 Apr 2022 11:02:47 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=EF=BC=880078.=E5=AD=90?=
 =?UTF-8?q?=E9=9B=86.md=EF=BC=89=EF=BC=9A=E5=A2=9E=E5=8A=A0typescript?=
 =?UTF-8?q?=E7=89=88=E6=9C=AC?=
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---
 problems/0078.子集.md | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/problems/0078.子集.md b/problems/0078.子集.md
index cdb5f548..e1c52b5b 100644
--- a/problems/0078.子集.md
+++ b/problems/0078.子集.md
@@ -272,7 +272,28 @@ var subsets = function(nums) {
 };
 ```
 
+## TypeScript
+
+```typescript
+function subsets(nums: number[]): number[][] {
+    const resArr: number[][] = [];
+    backTracking(nums, 0, []);
+    return resArr;
+    function backTracking(nums: number[], startIndex: number, route: number[]): void {
+        resArr.push(route.slice());
+        let length = nums.length;
+        if (startIndex === length) return;
+        for (let i = startIndex; i < length; i++) {
+            route.push(nums[i]);
+            backTracking(nums, i + 1, route);
+            route.pop();
+        }
+    }
+};
+```
+
 ## C
+
 ```c
 int* path;
 int pathTop;