// practice ground

Problems

#	Title	Topics	Difficulty
26	Kth Largest Element	Heaps / Priority Queue Sorting	Medium
27	Trapping Rain Water	Arrays Two Pointers	Hard
28	Coin Change (Minimum Coins)	Dynamic Programming	Medium
29	Longest Increasing Subsequence	Dynamic Programming	Hard
30	Number of Islands	Graphs Matrix	Medium
31	Palindrome Check	Strings	Easy
32	Factorial of a Number	Math Recursion	Easy
33	Prime Number Check	Math	Easy
34	Reverse a String	Strings	Easy
35	Sum of Array Elements	Arrays Math	Easy
36	Bubble Sort	Sorting	Easy
37	Linear Search	Arrays Searching	Easy
38	Leap Year Check	Math	Easy
39	Two Sum	Arrays Hashing Two Pointers	Medium
40	Contains Duplicate	Arrays Hashing	Easy
41	Single Number	Arrays Bit Manipulation	Easy
42	Majority Element	Arrays	Medium
43	Product of Array Except Self	Arrays	Medium
44	Valid Palindrome	Strings Two Pointers	Medium
45	String Compression	Strings	Medium
46	Minimum Add to Make Parentheses Valid	Stacks Strings	Medium
47	Merge Intervals	Arrays Sorting	Medium
48	Best Time to Buy and Sell Stock	Arrays Dynamic Programming	Medium
49	Maximum Subarray	Arrays Dynamic Programming	Medium
50	House Robber	Dynamic Programming	Medium

Showing 26–50 of 100

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