From 142c4bb83dbb97eaba1616afdca72292add9d0e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=A5=E7=95=85?= <yanchang@segimail.com>
Date: Wed, 19 May 2021 14:20:31 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=96=B0=E5=A2=9E0077=E7=BB=84?=
 =?UTF-8?q?=E5=90=88python=E3=80=81JavaScript=E8=A7=A3=E6=B3=95?=
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---
 problems/0077.组合.md | 39 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/problems/0077.组合.md b/problems/0077.组合.md
index 1f0d6eb1..d9d4b17f 100644
--- a/problems/0077.组合.md
+++ b/problems/0077.组合.md
@@ -370,8 +370,45 @@ class Solution {
 
 
 Python：
+```python
+class Solution:
+    result: List[List[int]] = []
+    path: List[int] = []
+    def combine(self, n: int, k: int) -> List[List[int]]:
+      self.result = []
+      self.combineHelper(n, k, 1)
+      return self.result
 
-
+    def combineHelper(self, n: int, k: int, startIndex: int):
+      if  (l := len(self.path)) == k:
+        self.result.append(self.path.copy())
+        return
+      for i in range(startIndex, n - (k - l) + 2):
+        self.path.append(i)
+        self.combineHelper(n, k, i + 1)
+        self.path.pop()
+```
+javascript
+```javascript
+let result = []
+let path = []
+var combine = function(n, k) {
+  result = []
+  combineHelper(n, k, 1)
+  return result
+};
+const combineHelper = (n, k, startIndex) => {
+  if (path.length === k) {
+    result.push([...path])
+    return
+  }
+  for (let i = startIndex; i <= n - (k - path.length) + 1; ++i) {
+    path.push(i)
+    combineHelper(n, k, i + 1)
+    path.pop()
+  }
+}
+```
 Go：
 ```Go
 var res [][]int