DMITRII’s Substack

DMITRII’s Substack

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# 28.06.2025 [2099. Find Subsequence of Length K With the Largest Sum]
Subsequence of k largest #easy #sort
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DMITRII SAMOILENKO
# 27.06.2025 [2014. Longest Subsequence Repeated k Times]
Longest k-repeating subsequence #hard #backtracking
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DMITRII SAMOILENKO
# 26.06.2025 [2311. Longest Binary Subsequence Less Than or Equal to K]
Longest binary subsequence less than K #medium
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DMITRII SAMOILENKO
# 25.06.2025 [2040. Kth Smallest Product of Two Sorted Arrays]
K-th increasing product from two arrays #hard #binary_search
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DMITRII SAMOILENKO
# 24.06.2025 [2200. Find All K-Distant Indices in an Array]
Indices k-distant to key #easy
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DMITRII SAMOILENKO
# 23.06.2025 [2081. Sum of k-Mirror Numbers]
n palindromes in both 10 and k-base #hard #math
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DMITRII SAMOILENKO
# 22.06.2025 [2138. Divide a String Into Groups of Size k]
k-chunked string, filled tail #easy
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DMITRII SAMOILENKO
# 21.06.2025 [3085. Minimum Deletions to Make String K-Special]
Min remove to make frequencies k-narrow #medium
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DMITRII SAMOILENKO
# 20.06.2025 [3443. Maximum Manhattan Distance After K Changes]
Max distance after k flips #medium
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DMITRII SAMOILENKO
# 19.06.2025 [2294. Partition Array Such That Maximum Difference Is K]
k-narrow subsequences #medium #sort
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DMITRII SAMOILENKO
# 18.06.2025 [2966. Divide Array Into Arrays With Max Difference]
List of k-narrow tripplets #medium
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DMITRII SAMOILENKO
# 17.06.2025 [3405. Count the Number of Arrays with K Matching Adjacent Elements]
Combinations k equal siblings 1..m in [n] array #hard #combinatorics #math
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DMITRII SAMOILENKO
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