InterviewBit Problems   Pick from both sides! : Solved

About the Pick from both sides! : Solved category (1)
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Python sliding window approach with explanation (2)
O(B) Java Solution (1)
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C++ O(n) time complexity and O(1) space complexity (1)
Why this DP solution is wrong? (1)
Python3 sliding window solution (1)
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Plz tell me where i m doing wrong (3)
Can be solved in O(1) space complexity (2)
Java Sliding Window Solution (1)
A unique solution with a little thinking (1)
C++ Sliding Window Solution (1)
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O(N) Solution, also asked in Interview of Ecommerce Companies (1)
Simple logic in c++ (1)
Somthing in Wrong In this. Help me in finding error (1)