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3sum.py
3sum.py
 
 
README.md
README.md
 
 
add-binary.py
add-binary.py
 
 
add-digits.py
add-digits.py
 
 
add-two-numbers.py
add-two-numbers.py
 
 
backspace-string-compare.py
backspace-string-compare.py
 
 
best-time-to-buy-an-stock.py
best-time-to-buy-an-stock.py
 
 
big-countries.sql
big-countries.sql
 
 
binary-search-tree-iterator.py
binary-search-tree-iterator.py
 
 
binary-tree-right-side-view.py
binary-tree-right-side-view.py
 
 
climbing-stairs.py
climbing-stairs.py
 
 
clone-graph.py
clone-graph.py
 
 
combine-two-tables.sql
combine-two-tables.sql
 
 
convert-binary-search-tree-to-sorted-doubly-linked-list.py
convert-binary-search-tree-to-sorted-doubly-linked-list.py
 
 
copy-list-with-random-pointer.py
copy-list-with-random-pointer.py
 
 
course-schedule.py
course-schedule.py
 
 
diameter-of-binary-tree.py
diameter-of-binary-tree.py
 
 
evaluate-division.py
evaluate-division.py
 
 
evaluate-reverse-polish-notation.py
evaluate-reverse-polish-notation.py
 
 
first-unique-character-in-a-string.py
first-unique-character-in-a-string.py
 
 
fizz-buzz.py
fizz-buzz.py
 
 
fruit-into-baskets.py
fruit-into-baskets.py
 
 
game-of-life.py
game-of-life.py
 
 
graph-valid-tree.py
graph-valid-tree.py
 
 
group-anagrams.py
group-anagrams.py
 
 
intersection-of-two-arrays.py
intersection-of-two-arrays.py
 
 
jewels-and-stones.py
jewels-and-stones.py
 
 
jump-game.py
jump-game.py
 
 
license-key-formatting.py
license-key-formatting.py
 
 
linked-list-cycle.py
linked-list-cycle.py
 
 
longest-common-prefix.py
longest-common-prefix.py
 
 
longest-palindromic-substring.py
longest-palindromic-substring.py
 
 
longest-substring-without-repeating-characters.py
longest-substring-without-repeating-characters.py
 
 
lru-cache.py
lru-cache.py
 
 
max-stack.py
max-stack.py
 
 
maximum-product-of-three-numbers.py
maximum-product-of-three-numbers.py
 
 
maximum-subarray.py
maximum-subarray.py
 
 
meeting-rooms-ii.py
meeting-rooms-ii.py
 
 
merge-intervals.py
merge-intervals.py
 
 
merge-sorted-array.py
merge-sorted-array.py
 
 
merge-two-sorted-lists.py
merge-two-sorted-lists.py
 
 
min-stack.py
min-stack.py
 
 
minimize-malware-spread.py
minimize-malware-spread.py
 
 
minimum-path-sum.py
minimum-path-sum.py
 
 
move-zeroes.py
move-zeroes.py
 
 
moving-average-from-data-stream.py
moving-average-from-data-stream.py
 
 
nested-list-weight-sum.py
nested-list-weight-sum.py
 
 
network-delay-time.py
network-delay-time.py
 
 
number-of-islands.py
number-of-islands.py
 
 
number-of-recent-calls.py
number-of-recent-calls.py
 
 
palindrome-number.py
palindrome-number.py
 
 
product-of-array-except-self.py
product-of-array-except-self.py
 
 
remove-linked-list-elements.py
remove-linked-list-elements.py
 
 
reverse-integer.py
reverse-integer.py
 
 
reverse-linked-list.py
reverse-linked-list.py
 
 
reverse-string.py
reverse-string.py
 
 
roman-to-integer.py
roman-to-integer.py
 
 
search-in-rotated-sorted-array.py
search-in-rotated-sorted-array.py
 
 
second-highest-salary.sql
second-highest-salary.sql
 
 
serialize-and-deserialize-bst.py
serialize-and-deserialize-bst.py
 
 
sliding-window-maximum.py
sliding-window-maximum.py
 
 
sort-list.py
sort-list.py
 
 
subdomain-visit-count.py
subdomain-visit-count.py
 
 
task-scheduler.py
task-scheduler.py
 
 
to-lower-case.py
to-lower-case.py
 
 
two-sum.py
two-sum.py
 
 
unique-email-addres.py
unique-email-addres.py
 
 
valid-anagram.py
valid-anagram.py
 
 
valid-parentheses.py
valid-parentheses.py
 
 
validate-binary-search-tree.py
validate-binary-search-tree.py
 
 

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Leetcode Python Solution

  1. This is my Python Solution on leetcode @christopherwu0529.

  2. I really take time tried to make the best solution or explaination. Because I wanted to help others like me. If you like my answer, a star on GitHub means a lot to me. https://github.com/wuduhren/leetcode-python

  3. The question is at https://leetcode.com/problems/the-file-name/. For example, merge-sorted-array.py's question is at https://leetcode.com/problems/merge-sorted-array/.

Really Great Resources

System Design

https://github.com/shashank88/system_design

Data Structure and Algorithm

Basic data structure and algorithm online course taught in Python. This course is design to help you find job and do well in the interview.
https://classroom.udacity.com/courses/ud513

Architecture 101

https://engineering.videoblocks.com/web-architecture-101-a3224e126947

Overall Mindset

This is a speech from Sean Lee on "How to Get a Job at the Big 4". I highly recommend this because it gives me the right mindset on how to put in the work.
https://youtu.be/YJZCUhxNCv8

CS DoJo on "How I Got a Job at Google as a Software Engineer". There are also lots of technique on coding interview in his channel.
https://www.youtube.com/watch?v=UPO-9iMjBpc

How to scale up

There are also lots of tech interview related topic in his channel.
https://www.youtube.com/watch?v=yPF94QiI2qk&t=385s

Interview Question Survey

https://www.glassdoor.com/index.htm
https://www.careercup.com/

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My Leetcode practice. Python solution with explanation.

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