feat: add weekly contest 470 (#4765)

Author: yanglbme

solution/0400-0499/0417.Pacific Atlantic Water Flow/README_EN.md

@@ -34,19 +34,19 @@ tags:
 <strong>Input:</strong> heights = [[1,2,2,3,5],[3,2,3,4,4],[2,4,5,3,1],[6,7,1,4,5],[5,1,1,2,4]]
 <strong>Output:</strong> [[0,4],[1,3],[1,4],[2,2],[3,0],[3,1],[4,0]]
 <strong>Explanation:</strong> The following cells can flow to the Pacific and Atlantic oceans, as shown below:
-[0,4]: [0,4] -&gt; Pacific Ocean
+[0,4]: [0,4] -&gt; Pacific Ocean 
 &nbsp;      [0,4] -&gt; Atlantic Ocean
-[1,3]: [1,3] -&gt; [0,3] -&gt; Pacific Ocean
+[1,3]: [1,3] -&gt; [0,3] -&gt; Pacific Ocean 
 &nbsp;      [1,3] -&gt; [1,4] -&gt; Atlantic Ocean
-[1,4]: [1,4] -&gt; [1,3] -&gt; [0,3] -&gt; Pacific Ocean
+[1,4]: [1,4] -&gt; [1,3] -&gt; [0,3] -&gt; Pacific Ocean 
 &nbsp;      [1,4] -&gt; Atlantic Ocean
-[2,2]: [2,2] -&gt; [1,2] -&gt; [0,2] -&gt; Pacific Ocean
+[2,2]: [2,2] -&gt; [1,2] -&gt; [0,2] -&gt; Pacific Ocean 
 &nbsp;      [2,2] -&gt; [2,3] -&gt; [2,4] -&gt; Atlantic Ocean
-[3,0]: [3,0] -&gt; Pacific Ocean
+[3,0]: [3,0] -&gt; Pacific Ocean 
 &nbsp;      [3,0] -&gt; [4,0] -&gt; Atlantic Ocean
-[3,1]: [3,1] -&gt; [3,0] -&gt; Pacific Ocean
+[3,1]: [3,1] -&gt; [3,0] -&gt; Pacific Ocean 
 &nbsp;      [3,1] -&gt; [4,1] -&gt; Atlantic Ocean
-[4,0]: [4,0] -&gt; Pacific Ocean
+[4,0]: [4,0] -&gt; Pacific Ocean 
        [4,0] -&gt; Atlantic Ocean
 Note that there are other possible paths for these cells to flow to the Pacific and Atlantic oceans.
 </pre>

solution/3600-3699/3692.Majority Frequency Characters/README.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: 简单
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3692.Majority%20Frequency%20Characters/README.md
+rating: 1384
+source: 第 166 场双周赛 Q1
 ---
 
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solution/3600-3699/3692.Majority Frequency Characters/README_EN.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: Easy
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3692.Majority%20Frequency%20Characters/README_EN.md
+rating: 1384
+source: Biweekly Contest 166 Q1
 ---
 
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solution/3600-3699/3693.Climbing Stairs II/README.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: 中等
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3693.Climbing%20Stairs%20II/README.md
+rating: 1560
+source: 第 166 场双周赛 Q2
 ---
 
 <!-- problem:start -->

solution/3600-3699/3693.Climbing Stairs II/README_EN.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: Medium
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3693.Climbing%20Stairs%20II/README_EN.md
+rating: 1560
+source: Biweekly Contest 166 Q2
 ---
 
 <!-- problem:start -->

solution/3600-3699/3694.Distinct Points Reachable After Substring Removal/README.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: 中等
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3694.Distinct%20Points%20Reachable%20After%20Substring%20Removal/README.md
+rating: 1739
+source: 第 166 场双周赛 Q3
 ---
 
 <!-- problem:start -->

solution/3600-3699/3694.Distinct Points Reachable After Substring Removal/README_EN.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: Medium
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3694.Distinct%20Points%20Reachable%20After%20Substring%20Removal/README_EN.md
+rating: 1739
+source: Biweekly Contest 166 Q3
 ---
 
 <!-- problem:start -->

solution/3600-3699/3695.Maximize Alternating Sum Using Swaps/README.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: 困难
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3695.Maximize%20Alternating%20Sum%20Using%20Swaps/README.md
+rating: 1984
+source: 第 166 场双周赛 Q4
 ---
 
 <!-- problem:start -->

solution/3600-3699/3695.Maximize Alternating Sum Using Swaps/README_EN.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: Hard
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3695.Maximize%20Alternating%20Sum%20Using%20Swaps/README_EN.md
+rating: 1984
+source: Biweekly Contest 166 Q4
 ---
 
 <!-- problem:start -->

solution/3600-3699/3697.Compute Decimal Representation/README.md

@@ -2,6 +2,8 @@
 comments: true
 difficulty: 简单
 edit_url: https://github.com/doocs/leetcode/edit/main/solution/3600-3699/3697.Compute%20Decimal%20Representation/README.md
+rating: 1250
+source: 第 469 场周赛 Q1
 ---
 
 <!-- problem:start -->