InterviewBit Problems   Two out of Three : Unsolved

About the Two out of Three : Unsolved category (1)
Please highlight result should contain only one instance (3)
|Simple C++ Solution of hashing (1)
Not used - delete this post (1)
Why Partially Correct (1)
Easy Solution in java Trying All Possibilities (1)
What is the problem with my solution? Python (3)
Why partially correct? (2)
Simple solution using TreeMap Java (1)
Which is better using set or using priority queue. if we want to insert and retrieve in sorted order (1)
Test case output (2)