DeercoderAlgorithm
diff --git a/‎Python/maxPointsOnALine.py‎ ‎Python/max-points-on-a-line.py‎Python/maxPointsOnALine.py renamed to Python/max-points-on-a-line.py b/‎Python/maxPointsOnALine.py‎ ‎Python/max-points-on-a-line.py‎Python/maxPointsOnALine.py renamed to Python/max-points-on-a-line.py
diff --git a/‎README.md‎
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@@ -153,10 +153,13 @@ Problem         |  Solution       |  Time           | Space           | Difficul
 Problem         |  Solution       |  Time           | Space           | Difficulty     | Notes
 --------------- | --------------- | --------------- | --------------- | -------------- | -----
 [Longest Substring Without Repeating Characters] | [longest-substring-without-repeating-characters.py] | _O(n)_ | _O(1)_ | Medium |
+[Max Points on a Line] | [max-points-on-a-line.py] | _O(n^2)_ | _O(n)_ | hard          |
 
 
 [Longest Substring Without Repeating Characters]:https://oj.leetcode.com/problems/longest-substring-without-repeating-characters/
 [longest-substring-without-repeating-characters.py]:https://github.com/kamyu104/LeetCode/blob/master/Python/longest-substring-without-repeating-characters.py
+[Max Points on a Line]:https://oj.leetcode.com/problems/max-points-on-a-line/
+[max-points-on-a-line.py]:https://github.com/kamyu104/LeetCode/blob/master/Python/max-points-on-a-line.py
 
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