SDE..Interview..Preparation

Preparation for Software Development Engineer Interview (MAANG)

MY PROFILE

• LeetCode
• HackerRank

RESOURCES

Platform

• LeetCode
• HackerRank

BOOKS

• Hands-On Data Structures and Algorithms with Python

EASY QUESTIONS

Name of Question	Topic	Status	Solution	Time Complexity	Space Complexity
1. Running Sum of 1d Array	Array	✅	Python	O(n)	O(n)
2. Move Zeroes	Array	✅	Python	O(n)	O(1)
3. Duplicate Zeroes	Array	✅	Python	O(n)	O(1)
4. Valid Mountain Array	Array	✅	Python	O(n)	O(1)
5. Two Sum	Array	✅	Python	O(n)	O(1)
6. First Bad Version	Binary Search	✅	Python	O(n)	O(1)
7. Palindrome Number	Math	✅	Python	O(1)	O(1)
8. Valid Palindrome	String	✅	Python	O(1)	O(1)
9. Merge Sorted Array	Array,Sorting	✅	Python	O(n)	O(1)
10. Happy Number	Hash Table, Math	✅	Python	O(n)	O(1)
11. Ugly Number	Math	✅	Python	O(log(n))	O(1)
12. Remove Duplicates from Sorted Array	Array,Two Pointers	✅✅	Python Python	O(n)	O(1)
13. Remove Element	Array, Two Pointers	✅✅	Python Python	O(n)	O(1)
14. Search Insert Position	Array,Binary Search	✅✅	Python Python	O(log(n))	O(1)
15. Plus One	Array,Math	✅	Python	O(n)	O(1)
16. Contains Duplicate	Array,Hash Table,Sorting	✅✅	Python Python	O(n)	O(n)
17. Intersection of Two Arrays	Array	✅	Python	O(n)	O(1)
18. Pivot Index	Array	✅	Python	O(n)	O(1)
19. Isomorphic Strings	String	✅	Python	O(n)	O(1)

MEDIUM QUESTIONS

Name of Question	Topic	Status	Solution	Time Complexity	Space Complexity
1. Boats to Save People	Array	✅	Python	O(nlog(n))	O(n)
2. Container With Most Water	Array	✅	Python	O(n)	O(1)

HARD QUESTIONS

Name of Question	Topic	Status	Solution	Time Complexity	Space Complexity