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Don't miss a day to solve the problem My leetcode graph - https://leetcode.com/SamoylenkoDmitry/
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Channel Posts
# 16.09.2026
1621. Number of Sets of K Non-Overlapping Line Segments
medium
Ways to peek K intervals from N points
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/qb9qlT-kyec
| 2 |  # 15.09.2026
2472. Maximum Number of Non-overlapping Palindrome Substrings
hard
Max palindrome substrings at least k length
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/_CFL77U-6t0 | 59 |
| 3 |  # 14.09.2026
836. Rectangle Overlap
easy
Rectangle overlap?
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/ypaM6wU5pqs | 70 |
| 4 |  # 13.09.2026
835. Image Overlap
medium
Best intersection after shift 2D matrix
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/ypaM6wU5pqs | 80 |
| 5 |  # 12.09.2026
3414. Maximum Score of Non-overlapping Intervals
hard
Max lexi-small pick of at most 4 intervals
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/ULmIxJF3JE0 | 99 |
| 6 |  # 11.09.2026
3483. Unique 3-Digit Even Numbers
easy
3-digit evens consisting of given digits
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/cjN9zF80-UU | 110 |
| 7 |  # 10.09.2026
2265. Count Nodes Equal to Average of Subtree
medium
Values equal subtree average
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/NRnDG0VWBEo | 119 |
| 8 |  # 09.09.2026
3871. Count Commas in Range II
medium
Count commas in numbers range
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/MhTeT-IZLsc | 115 |
| 9 |  # 08.09.2026
3870. Count Commas in Range
easy
Count commas in numbers range
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/10T9nQTJ4oY | 114 |
| 10 |  # 07.09.2026
940. Distinct Subsequences II
hard
Count uniq substrings
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/3EZRs_0zUVM | 126 |
| 11 |  # 06.09.2026
115. Distinct Subsequences
hard
Count target substrings
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/f5X5JKbAdIU | 133 |
| 12 |  # 05.09.2026
3904. Smallest Stable Index II
medium
Index of max suffix - min prefix not less than k
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/LUnxr_d12FI | 129 |
| 13 |  # 04.09.2026
3903. Smallest Stable Index I
easy
Index of max suffix - min prefix not less than k
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/vebJdU38ntM | 139 |
| 14 |  # 03.09.2026
3876. Construct Uniform Parity Array II
medium
Can make all even/odd by subtracting any smaller
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/EjS1QG7CxrA | 144 |
| 15 |  # 02.09.2026
3875. Construct Uniform Parity Array I
easy
Can make all even/odd by subtracting any other
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/IBszZyOzwFg | 159 |
| 16 |  # 01.09.2026
3568. Minimum Moves to Clean the Classroom
medium
Collect Ls on grid, limited energy E
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/knnmmNIP5b0 | 150 |
| 17 |  # 31.08.2026
2058. Find the Minimum and Maximum Number of Nodes Between Critical Points
medium
Min and max distance between extremums
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/qeMjpOveXxY | 156 |
| 18 |  # 30.08.2026
2091. Removing Minimum and Maximum From Array
medium
Remove min and max by cutting the tails
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/TGWDMzAp9K4 | 151 |
| 19 |  # 29.08.2026
2948. Make Lexicographically Smallest Array by Swapping Elements
medium
Smallest array by swapping numbers with diff in 0..L
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/7l58B7W7sjA | 157 |
| 20 |  # 28.08.2026
3734. Lexicographically Smallest Palindromic Permutation Greater Than Target
hard
Smallest permutation palindrome bigger than target
blog: https://dmitrysamoylenko.com/leetcode/
youtube: https://youtu.be/Tx6xmCM36PI | 145 |
