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Leetcode_daily

Leetcode_daily

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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
# 28.10.2026 3882. Minimum XOR Path in a Grid medium Smallest xor-path blog: https://dmitrysamoylenko.com/leetcode/ youtube:
# 28.10.2026 3882. Minimum XOR Path in a Grid medium Smallest xor-path blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/bRTN6rxtDtQ

2
# 27.10.2026 3963. Create Grid With Exactly One Path easy Any maze with single path blog: https://dmitrysamoylenko.com/leetco
# 27.10.2026 3963. Create Grid With Exactly One Path easy Any maze with single path blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/hkMvKDkHEGc
47
3
# 26.10.2026 3619. Count Islands With Total Value Divisible by K medium Count islands sum %k in grid blog: https://dmitrysamo
# 26.10.2026 3619. Count Islands With Total Value Divisible by K medium Count islands sum %k in grid blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/RktIByCe70A
57
4
# 25.10.2026 1254. Number of Closed Islands medium Count 0-islands surrounded by 1 blog: https://dmitrysamoylenko.com/leetcod
# 25.10.2026 1254. Number of Closed Islands medium Count 0-islands surrounded by 1 blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/YAVvQS1uasI
60
5
# 24.10.2026 2409. Count Days Spent Together easy Days range intersection blog: https://dmitrysamoylenko.com/leetcode/ youtub
# 24.10.2026 2409. Count Days Spent Together easy Days range intersection blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/vDeyO8Bamc4
75
6
# 23.10.2026 3644. Maximum K to Sort a Permutation medium Max K to sort by swapping a&b=k blog: https://dmitrysamoylenko.com/
# 23.10.2026 3644. Maximum K to Sort a Permutation medium Max K to sort by swapping a&b=k blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/nv5kyYQd-N8
80
7
# 22.10.2026 3942. Minimum Operations to Sort a Permutation medium Ops to sort by shifting left and reversing blog: https://d
# 22.10.2026 3942. Minimum Operations to Sort a Permutation medium Ops to sort by shifting left and reversing blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/cgvtv-pbEBc
86
8
# 21.10.2026 3863. Minimum Operations to Sort a String medium Ops to sort by sorting substrings blog: https://dmitrysamoylenk
# 21.10.2026 3863. Minimum Operations to Sort a String medium Ops to sort by sorting substrings blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/i3BMQ98Yhac
95
9
# 20.10.2026 3886. Sum of Sortable Integers hard Sum of chunks lengths that could split then cycle to sort array blog: https:
# 20.10.2026 3886. Sum of Sortable Integers hard Sum of chunks lengths that could split then cycle to sort array blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/NvQ_8-uHuYo
105
10
# 19.10.2026 2089. Find Target Indices After Sorting Array easy Positions of target in sorted order blog: https://dmitrysamoy
# 19.10.2026 2089. Find Target Indices After Sorting Array easy Positions of target in sorted order blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/NNkNSRNEyXg
110
11
# 18.10.2026 1569. Number of Ways to Reorder Array to Get Same BST hard Ways to permute keeping the same BST blog: https://dm
# 18.10.2026 1569. Number of Ways to Reorder Array to Get Same BST hard Ways to permute keeping the same BST blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/fm36K2FIETk
126
12
# 17.10.2026 3551. Minimum Swaps to Sort by Digit Sum medium Minimum swaps to sort by digits sum & num blog: https://dmitrysa
# 17.10.2026 3551. Minimum Swaps to Sort by Digit Sum medium Minimum swaps to sort by digits sum & num blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/FQjNg1hn-P8
125
13
# 16.10.2026 2916. Subarrays Distinct Element Sum of Squares II hard Sum of squares of uniq numbers counts in all subarrays b
# 16.10.2026 2916. Subarrays Distinct Element Sum of Squares II hard Sum of squares of uniq numbers counts in all subarrays blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/Bozx3GCcXTg
121
14
# 15.10.2026 2913. Subarrays Distinct Element Sum of Squares I easy Sum of squares of uniq numbers counts in all subarrays bl
# 15.10.2026 2913. Subarrays Distinct Element Sum of Squares I easy Sum of squares of uniq numbers counts in all subarrays blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/nu5lsK8c3ZM
137
15
# 14.10.2026 3723. Maximize Sum of Squares of Digits medium String of max n digits summing up to s blog: https://dmitrysamoyl
# 14.10.2026 3723. Maximize Sum of Squares of Digits medium String of max n digits summing up to s blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/CH9ZVRp0js4
133
16
# 12.10.2026 2897. Apply Operations on Array to Maximize Sum of Squares hard Max sum of squares after any pairwise a=a|b, b=a
# 12.10.2026 2897. Apply Operations on Array to Maximize Sum of Squares hard Max sum of squares after any pairwise a=a|b, b=a&b blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/N_KQo3nXA2Y
140
17
# 11.10.2026 2778. Sum of Squares of Special Elements easy Sum of squares at positions divisible by size blog: https://dmitry
# 11.10.2026 2778. Sum of Squares of Special Elements easy Sum of squares at positions divisible by size blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/X3WV6WoTwcc
146
18
# 10.10.2026 2333. Minimum Sum of Squared Difference medium Min sum of squared difs after adjusting each array by k blog: htt
# 10.10.2026 2333. Minimum Sum of Squared Difference medium Min sum of squared difs after adjusting each array by k blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/HzF_Y4lO2mk
149
19
# 09.10.2026 1541. Minimum Insertions to Balance a Parentheses String medium Add braces to balance ( with )) blog: https://dm
# 09.10.2026 1541. Minimum Insertions to Balance a Parentheses String medium Add braces to balance ( with )) blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/qNsY630fi3U
138
20
# 08.10.2026 1021. Remove Outermost Parentheses easy Remove outer braces blog: https://dmitrysamoylenko.com/leetcode/ youtube
# 08.10.2026 1021. Remove Outermost Parentheses easy Remove outer braces blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/o5f0pdEFtgQ
136