1. Interval Selection
  2. Check whether a given graph is Bipartite or not
  3. Palindromic Substrings
  4. Floyd Warshall Algorithm
  5. Dijkstra’s shortest path algorithm
  6. Subsets
  7. Print all paths from a given source to a destination
  8. New Year Chaos
  9. Minimum number of swaps required to sort an array
  10. Next Greater Element II
  11. Find maximum of minimum for every window size in a given array
  12. Sliding Window Median
  13. Fraudulent Activity Notifications
  14. Minimum time required to produce m items
  15. Maximum subarray sum modulo m
  16. Count special palindromes in a String
  17. Roads and Libraries
  18. Find the nearest clone
  19. Matrix
  20. Position of rightmost set bit
  21. Find most significant set bit of a number
  22. Flipping bits
  23. Primality Test 
  24. Maximizing XOR
  25. Find the maximum subarray XOR in a given array