correct the URL of "Elimination Game"

README.md

@@ -13,7 +13,7 @@ LeetCode
 |393|[UTF-8 Validation](https://leetcode.com/problems/utf-8-validation/) | [C++](./algorithms/cpp/UTF8Validation/UTF8Validation.cpp)|Medium|
 |392|[Is Subsequence](https://leetcode.com/problems/is-subsequence/) | [C++](./algorithms/cpp/isSubsequence/IsSubsequence.cpp)|Medium|
 |391|[Perfect Rectangle](https://leetcode.com/problems/perfect-rectangle/) | [C++](./algorithms/cpp/perfectRectangle/PerfectRectangle.cpp)|Hard|
-|390|[Elimination Game](https://leetcode.com/contest/2/problems/elimination-game/) | [C++](./algorithms/cpp/eliminationGame/EliminationGame.cpp)|Medium|
+|390|[Elimination Game](https://leetcode.com/problems/elimination-game/) | [C++](./algorithms/cpp/eliminationGame/EliminationGame.cpp)|Medium|
 |389|[Find the Difference](https://leetcode.com/problems/find-the-difference/) | [C++](./algorithms/cpp/findTheDifference/FindTheDifference.cpp)|Easy|
 |388|[Longest Absolute File Path](https://leetcode.com/problems/longest-absolute-file-path/) | [C++](./algorithms/cpp/longestAbsoluteFilePath/LongestAbsoluteFilePath.cpp)|Medium|
 |387|[First Unique Character in a String](https://leetcode.com/problems/first-unique-character-in-a-string/) | [C++](./algorithms/cpp/firstUniqueCharacterInAString/FirstUniqueCharacterInAString.cpp)|Easy|

algorithms/cpp/eliminationGame/EliminationGame.cpp

@@ -1,4 +1,4 @@
-// Source : https://leetcode.com/contest/2/problems/elimination-game/
+// Source : https://leetcode.com/problems/elimination-game
 // Author : Hao Chen
 // Date   : 2016-09-07-