🎯 Variation of Two Sum Questions

Here are 25 questions that are exact similar to the classic Two Sum problem , with slight variations. If you have any specific questions, feel free to ask! 👇🏼​

1. Two Sum
2. Two Sum II - Input Array Is Sorted
3. Two Sum III - Data Structure Design
4. Two Sum IV - Input is a BST
5. Two Sum BSTs
6. Two Sum Less Than K
7. Three Sum
8. Three Sum Closest
9. Three Sum Smaller
10. Four Sum
11. Four Sum II
12. Boats to Save People
13. Count Good Meals
14. Count Nice Pairs in an Array
15. Count Number of Bad Pairs
16. Count Number of Pairs with Absolute Difference K
17. Divide Players into Teams of Equal Skill
18. Finding Pairs with a Certain Sum
19. K-Diff Pairs in an Array
20. Max Number of K-Sum Pairs
21. Number of Excellent Pairs
22. Number of Pairs of Strings With Concatenation Equal to Target
23. Number of Subsequences That Satisfy the Given Sum Condition
24. Tuple with Same Product
25. Valid Triangle Number
26. Prime-pairs-with-target-sum
27. Target-sum (Its is actually like subset sum but you can use same approach as two sum)

If you have any patterns like the Two Sum problem or others, please comment below to help others.