Practice Problems
2.Longest Consecutive Sequence
4.Sum of root to leaf binary numbers
5.Minimum cost to hire k workers
6.Subarray sums divisible by k
10.maximum xor of two numbers in an array
14.minimum number swaps required sort array
17.Stone Game
19.String Chain
21.count of smaller numbers after self
22.median of two sorted arrays
23.longest arithmetic sequence
26.3sum
27.maximum path sum in a binary tree
29.Lowest Common Ancestor of a binary-tree
31.binary tree in vertical order
32.reorder-list
36.Shortest Common Supersequence
39.Arrange-ii
41.Queue reconstruction by height
42.Kth manhattan distance neighbourhood
43.Minimum steps to delete a string after repeated deletion of palindrome substrings
44.Longest Path Undirected-tree
45.Best time to buy and sell stocks-iii
46.Flip Array
48.Smallest sequence with given primes
49.Evaluate Expression to true
53.Word Ladder
54.number-of-palindromic-paths-in-a-matrix
55.maximum-sum-rectangle-in-a-2d-matrix
56.ways-color-3n-board-using-4-colors
58.Seats
60.Flip
63.find-distinct-subsets-given-set
65.queen-attack
66.best-time-to-buy-and-sell-stock-iv
67.binary-tree-inorder-traversal
68.find-median-from-data-stream
69.number-ways-form-heap-n-distinct-integers
70.numrange
72.serialize-and-deserialize-binary-tree
73.fraction-to-recurring-decimal
74.gas-station
77.find-the-maximum-subarray-xor-in-a-given-array
78.regular-expression-matching
83.best-time-to-buy-and-sell-stock-ii
84.kth-largest-element-in-an-array