DMITRII’s Substack

Home
Archive
About
# 10.12.2023 [867. Transpose Matrix]
Transpose 2D matrix
 • 
DMITRII SAMOILENKO
# 09.12.2023 [94. Binary Tree Inorder Traversal]
Inorder traversal
 • 
DMITRII SAMOILENKO
# 08.12.2023 [606. Construct String from Binary Tree]
Pre-order binary tree serialization
 • 
DMITRII SAMOILENKO
# 07.12.2023 [1903. Largest Odd Number in String]
Largest odd number in a string
 • 
DMITRII SAMOILENKO
# 07.12.2023 [1688. Count of Matches in Tournament]
Count of odd-even matches according to the rules `x/2` or `1+(x-1)/2`.
 • 
DMITRII SAMOILENKO
New
Top
# 04.12.2023 [2264. Largest 3-Same-Digit Number in String]
Largest 3-same-digit number in a string
 • 
DMITRII SAMOILENKO
# 03.12.2023 [1266. Minimum Time Visiting All Points]
Path coordinates distance in XY plane
 • 
DMITRII SAMOILENKO
# 02.12.2023 [1160. Find Words That Can Be Formed by Characters]
Sum of `words` lengths constructed by `chairs`
 • 
DMITRII SAMOILENKO
# 01.12.2023 [1662. Check If Two String Arrays are Equivalent]
Two-dimensional array equals
 • 
DMITRII SAMOILENKO
# 30.11.2023 [1611. Minimum One Bit Operations to Make Integers Zero]
Minimum rounds of inverting rightmost bit or left of the rightmost `1` bit to make `n` zero
 • 
DMITRII SAMOILENKO
# 29.11.2023 [191. Number of 1 Bits]
Bits count
 • 
DMITRII SAMOILENKO
# 28.11.2023 [2147. Number of Ways to Divide a Long Corridor]
Count ways to place borders separating pairs of 'S' in 'SP' string
 • 
DMITRII SAMOILENKO
# 27.11.2023 [935. Knight Dialer]
Count of dialer `n`-length numbers formed by pressing in a chess Knight's moves
 • 
DMITRII SAMOILENKO
# 26.11.2023 [1727. Largest Submatrix With Rearrangements]
Max area of `1` submatrix after sorting columns optimally
 • 
DMITRII SAMOILENKO
DMITRII’s Substack
DMITRII’s Substack
I post a problem that I solve every single day
Recommendations
The Intrinsic Perspective
The Intrinsic Perspective
Erik Hoel

DMITRII’s Substack

AboutArchiveRecommendations
© 2023 DMITRII SAMOILENKO
Privacy ∙ Terms ∙ Collection notice
Start WritingGet the app
Substack is the home for great writing