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tasks.txt
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tasks.txt
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tasks solved
-- solved
72 - edit distance - H
231 - is power of 2 - E
258 - add digits - E
165 - compare versions - M
160 - list intersection - M
71 - simple path - M
64 - min path sum - M
63 - unique path2 - M
300 - LIS - M
Day 1
S
303 - RSQ Immutable - E
304 - RSQ 2D Immutable - M
338 - counting bits - M
- Number 1 bits - E
Day 2
S
357 - count number with unique digits - M
91 - decode ways - M
509 - fibonacci numbers - E
228 - summary ranges - M
Day 4
S
172 - Factorial Trailing Zeroes - E
217 - Contains duplicates - E
219 - Contains duplicates 2 - E
185 - Top 3 salaries - H
NS
96 - Unique BST - M
368 - LDS - M
220 - contains duplicates 3 - M
-- not solved
85 - max rectangle - H
48 - rotate image - M
198 - house robber - E
343 - integer break - M
227 - basic calculator 2 - M
-------------------------
15 days maraphone
Day 1
385 - mini parser - M
341 - flatten list - M
416 - sum partition - M
# 316 - remove duplicates - H
# 698 - k sums partition - M
Day 2
Day 3
215 - k largest - M
203 - delete val from linked list - E
201 - bitwise range - M
Day 4
699 - falling squares - H
315 - count solve - H
237 - delete node - E
# 218 - skyline - H
# 493 - reverse pairs (50/50) - H
Day 5
208 - trie - M
233 - number one - H
239 - max window - H
# 279 - perfect squares - M
283 - move zeroes - E
Day 6
307 - range sum query - M
297 - serialize binary - H
295 - median stream - H
# 301 - remove invalid parentheses - H
326 - power of 3 - E
Day 7
---
Day 8
327 - search 2D matrix - M
# 238 - product except self - M
287 - find duplicate - M
349 - intersection of array - E
345 - reverse vowels - E
# 329 - longest increasing path - H (use cache!)
Day 10
# 312 - burst baloons - H
To learn:
Binary index tree
Segment tree (307)
Monotonic queue (239)