pass 211 77 433

77-240602-pass/main.py

@@ -0,0 +1,13 @@
+class Solution:
+    def combine(self, n: int, k: int) -> List[List[int]]:
+        rlt = []
+        def comb(l, cur, k):
+            if k == 0: 
+                rlt.append(l) 
+                return
+            for i in range(cur, n + 1):
+                tmp_l = l.copy()
+                tmp_l.append(i)
+                comb(tmp_l, i + 1, k - 1)
+        comb([], 1, k)
+        return rlt