[Add] compare codes for week-3

Author: junnei

docs/leet-code/week-3/1.md

@@ -7,5 +7,12 @@ sidebar_position: 1
 [**View Problem**](https://leetcode.com/problems/daily-temperatures)
 
 ```python 0739-daily-temperatures
-print("Hello, World!")
+import random
+
+sizes = [100, 1000, 10000, 100000]
+datas = [
+    [random.randint(30, 100) for i in range(size)]
+    for size in sizes
+]
+func_name = "dailyTemperatures"
 ```

docs/leet-code/week-3/2.md

@@ -7,5 +7,16 @@ sidebar_position: 2
 [**View Problem**](https://leetcode.com/problems/valid-sudoku)
 
 ```python 0036-valid-sudoku
-print("Hello, World!")
+import random
+
+elem = ["."] + [str(i) for i in range(1, 10)]
+sizes = [1]
+datas = [
+    [
+        [elem[random.randint(0, 9)] for _ in range(9)]
+        for _ in range(9)
+    ]
+]
+
+func_name = "isValidSudoku"
 ```

docs/leet-code/week-3/3.md

@@ -7,5 +7,12 @@ sidebar_position: 3
 [**View Problem**](https://leetcode.com/problems/group-anagrams)
 
 ```python 0049-group-anagrams
-print("Hello, World!")
+sizes = [3]
+datas = [
+    ["eat","tea","tan","ate","nat","bat"],
+    [""],
+    ["a"]
+]
+
+func_name = "groupAnagrams"
 ```

docs/leet-code/week-3/4.md

@@ -7,5 +7,11 @@ sidebar_position: 4
 [**View Problem**](https://leetcode.com/problems/kth-smallest-element-in-a-bst)
 
 ```python 0230-kth-smallest-element-in-a-bst
-print("Hello, World!")
+sizes = [2]
+datas = [
+    (list_to_tree([3,1,4,None,2]), 1),
+    (list_to_tree([5,3,6,2,4,None,None,1]), 3)
+]
+
+func_name = "kthSmallest"
 ```