1. Create a program to find the maximum profit that can be made from a series of transactions given stock prices.
2. Implement a function to find the longest path in a tree.
3. Write a program to find the number of distinct ways to sum to a target using an array of integers.
4. Create a function to find the maximum length of a valid parentheses substring in a given string.
5. Implement a program to determine if a string is a palindrome.
6. Write a function to find the minimum number of elements to be removed to make an array non-decreasing.
7. Create a program to compute the minimum cost to convert one string to another with given operations.
8. Implement a function to find the maximum number of tasks that can be completed given their start and finish times.
9. Write a program to find the longest increasing subsequence in an array with duplicates.
10. Create a function to find the minimum number of operations needed to convert one string into another using dynamic programming.
11. Implement a program to find the maximum number of events that can be attended given their start and finish times.
12. Write a function to find the longest common substring of three strings.
13. Create a program to count the number of ways to split an array into two equal sum subsets.
14. Implement a function to find the longest increasing subsequence that can be formed by removing some elements.
15. Write a program to find the maximum sum of a rectangular subarray with at most k columns.
16. Create a function to find the number of distinct ways to climb a staircase with variable step sizes.
17. Implement a program to find the maximum sum of a subarray with at most k elements.
18. Write a function to compute the longest palindromic substring in a string.
19. Create a program to determine the minimum number of coins needed to make change for a given amount.
20. Implement a function to find the longest path in a grid with obstacles.
21. Write a program to count the number of distinct subsequences of a string.
22. Create a function to find the minimum number of coins to make change for a given amount using dynamic programming.
23. Implement a program to solve the "Longest Common Subsequence" problem with memoization.
24. Write a function to find the maximum sum of an increasing subsequence in a list.
25. Create a program to compute the number of unique paths in a grid with obstacles.
26. Implement a function to find the longest subsequence of a given sum in an array.
27. Write a program to find the longest palindromic subsequence in a string using dynamic programming.
28. Create a function to count the number of ways to partition a number into prime factors.
29. Implement a program to find the maximum number of items that can be bought with a budget constraint.
30. Write a function to find the longest substring without repeating characters using dynamic programming.
31. Create a program to compute the maximum sum of a rectangular subarray in a 2D matrix.
32. Implement a function to find the minimum number of steps required to reach the end of a grid.
33. Write a program to find the maximum profit from stock prices given in an array where you can buy and sell multiple times.
34. Create a function to determine the number of unique ways to reach the top of a staircase with variable step sizes.
35. Implement a program to find the longest increasing path in a matrix.
36. Write a function to compute the longest common subsequence of two arrays using dynamic programming.
37. Create a program to find the maximum sum of non-overlapping intervals in an array.
38. Implement a function to find the minimum cost to paint a fence with k colors without adjacent fences sharing the same color.
39. Write a program to find the longest palindrome in a given string using dynamic programming.
40. Create a function to compute the maximum product of a contiguous subarray in an array.