From 907204559fb56504a0035d70cbe478996152e8d3 Mon Sep 17 00:00:00 2001
From: IcePigZDB <icepigzdb@gmail.com>
Date: Sat, 19 Mar 2022 20:15:24 +0800
Subject: [PATCH 1/4] =?UTF-8?q?=E5=AD=90=E9=9B=86II=20cpp=20=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81formate?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: IcePigZDB <icepigzdb@gmail.com>
---
 problems/0090.子集II.md | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/problems/0090.子集II.md b/problems/0090.子集II.md
index 16bd1f2c..d08707b4 100644
--- a/problems/0090.子集II.md
+++ b/problems/0090.子集II.md
@@ -87,7 +87,7 @@ class Solution {
 private:
     vector<vector<int>> result;
     vector<int> path;
-    void backtracking(vector<int>& nums, int startIndex, vector<bool>& used) {
+    void backtracking(vector<int>& nums, int startIndex) {
         result.push_back(path);
         unordered_set<int> uset;
         for (int i = startIndex; i < nums.size(); i++) {
@@ -96,7 +96,7 @@ private:
             }
             uset.insert(nums[i]);
             path.push_back(nums[i]);
-            backtracking(nums, i + 1, used);
+            backtracking(nums, i + 1);
             path.pop_back();
         }
     }
@@ -105,9 +105,8 @@ public:
     vector<vector<int>> subsetsWithDup(vector<int>& nums) {
         result.clear();
         path.clear();
-        vector<bool> used(nums.size(), false);
         sort(nums.begin(), nums.end()); // 去重需要排序
-        backtracking(nums, 0, used);
+        backtracking(nums, 0);
         return result;
     }
 };

From 493d6ba16a1a2359ebfe110c338818de74632476 Mon Sep 17 00:00:00 2001
From: Steve2020 <841532108@qq.com>
Date: Sun, 20 Mar 2022 20:54:32 +0800
Subject: [PATCH 2/4] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=EF=BC=880077.=E7=BB=84?=
 =?UTF-8?q?=E5=90=88=E4=BC=98=E5=8C=96.md=EF=BC=89=EF=BC=9A=E5=A2=9E?=
 =?UTF-8?q?=E5=8A=A0typescript=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 node_modules/.yarn-integrity  | 10 ++++++++++
 problems/0077.组合优化.md | 22 ++++++++++++++++++++++
 yarn.lock                     |  4 ++++
 3 files changed, 36 insertions(+)
 create mode 100644 node_modules/.yarn-integrity
 create mode 100644 yarn.lock

diff --git a/node_modules/.yarn-integrity b/node_modules/.yarn-integrity
new file mode 100644
index 00000000..29e4357c
--- /dev/null
+++ b/node_modules/.yarn-integrity
@@ -0,0 +1,10 @@
+{
+  "systemParams": "win32-x64-83",
+  "modulesFolders": [],
+  "flags": [],
+  "linkedModules": [],
+  "topLevelPatterns": [],
+  "lockfileEntries": {},
+  "files": [],
+  "artifacts": {}
+}
\ No newline at end of file
diff --git a/problems/0077.组合优化.md b/problems/0077.组合优化.md
index 81b4304c..94608ec1 100644
--- a/problems/0077.组合优化.md
+++ b/problems/0077.组合优化.md
@@ -240,7 +240,29 @@ var combine = function(n, k) {
 };
 ```
 
+TypeScript：
+
+```typescript
+function combine(n: number, k: number): number[][] {
+    let resArr: number[][] = [];
+    function backTracking(n: number, k: number, startIndex: number, tempArr: number[]): void {
+        if (tempArr.length === k) {
+            resArr.push(tempArr.slice());
+            return;
+        }
+        for (let i = startIndex; i <= n - k + 1 + tempArr.length; i++) {
+            tempArr.push(i);
+            backTracking(n, k, i + 1, tempArr);
+            tempArr.pop();
+        }
+    }
+    backTracking(n, k, 1, []);
+    return resArr;
+};
+```
+
 C:
+
 ```c
 int* path;
 int pathTop;
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 00000000..3ff608ae
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,4 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+

From c590dfc5f29e910a85798f144bcc7178dda2bde4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A8=8B=E5=BA=8F=E5=91=98Carl?= <sunxiuyang04@gmail.com>
Date: Thu, 7 Apr 2022 09:34:25 +0800
Subject: [PATCH 3/4] Delete yarn.lock

---
 yarn.lock | 4 ----
 1 file changed, 4 deletions(-)
 delete mode 100644 yarn.lock

diff --git a/yarn.lock b/yarn.lock
deleted file mode 100644
index 3ff608ae..00000000
--- a/yarn.lock
+++ /dev/null
@@ -1,4 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-

From bbe312015eca5207064aa42f3530e254845a1e62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A8=8B=E5=BA=8F=E5=91=98Carl?= <sunxiuyang04@gmail.com>
Date: Thu, 7 Apr 2022 09:34:51 +0800
Subject: [PATCH 4/4] Delete .yarn-integrity

---
 node_modules/.yarn-integrity | 10 ----------
 1 file changed, 10 deletions(-)
 delete mode 100644 node_modules/.yarn-integrity

diff --git a/node_modules/.yarn-integrity b/node_modules/.yarn-integrity
deleted file mode 100644
index 29e4357c..00000000
--- a/node_modules/.yarn-integrity
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "systemParams": "win32-x64-83",
-  "modulesFolders": [],
-  "flags": [],
-  "linkedModules": [],
-  "topLevelPatterns": [],
-  "lockfileEntries": {},
-  "files": [],
-  "artifacts": {}
-}
\ No newline at end of file