Luke-zhang-04
diff --git a/‎Easy/Two_Sum/Two_Sum.md renamed to ‎Easy/Two_Sum/README.md b/‎Easy/Two_Sum/Two_Sum.md renamed to ‎Easy/Two_Sum/README.md
diff --git a/‎Hard/Median_of_Two_Sorted_Arrays/Median_of_Two_Sorted_Arrays.md renamed to ‎Hard/Median_of_Two_Sorted_Arrays/README.md b/‎Hard/Median_of_Two_Sorted_Arrays/Median_of_Two_Sorted_Arrays.md renamed to ‎Hard/Median_of_Two_Sorted_Arrays/README.md
diff --git a/‎Medium/Add_Two_Numbers/Add_Two_Numbers.md renamed to ‎Medium/Add_Two_Numbers/README.md b/‎Medium/Add_Two_Numbers/Add_Two_Numbers.md renamed to ‎Medium/Add_Two_Numbers/README.md
diff --git a/‎Medium/Longest_Substring_Without_Repeating_Characters/Longest_Substring_Without_Repeating_Characters.md renamed to ‎Medium/Longest_Substring_Without_Repeating_Characters/README.md b/‎Medium/Longest_Substring_Without_Repeating_Characters/Longest_Substring_Without_Repeating_Characters.md renamed to ‎Medium/Longest_Substring_Without_Repeating_Characters/README.md