Leetcode_daily

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

# 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

# 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

# 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

# 24.10.2026 2409. Count Days Spent Together easy Days range intersection blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/vDeyO8Bamc4

# 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

# 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

# 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

# 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

# 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

# 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

# 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

# 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

# 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

# 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

# 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

# 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

# 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

# 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

# 08.10.2026 1021. Remove Outermost Parentheses easy Remove outer braces blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/o5f0pdEFtgQ