Leetcode_daily

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

# 07.10.2026 301. Remove Invalid Parentheses hard Min removal to make balanced strings blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/yPf_3x7Hj5U

# 06.10.2026 921. Minimum Add to Make Parentheses Valid medium Min insertions to balance braces blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/1hJO-2TFnrE

# 05.10.2026 856. Score of Parentheses medium Evaluate braces concatenation is sum and wrap is *2 blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/IMKwRwVNLYc

# 04.10.2026 678. Valid Parenthesis String medium Balance braces with wildcard blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/N64Oc3Qcxy4

# 03.10.2026 32. Longest Valid Parentheses hard Longest valid substring blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/xVI2gFx8nIE

# 02.10.2026 22. Generate Parentheses medium Generate all combinations of n braces pairs blog: https://dmitrysamoylenko.com/leetcode/ substack: https://leetcode.com/problems/generate-parentheses/solutions/8551747/kotlin-rust-by-samoylenkodmitry-2z0a/ youtube: https://youtu.be/YXnG78jR1TA

# 01.10.2026 20. Valid Parentheses easy Are braces valid blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/Xcdre6LvKG0

# 30.09.2026 1111. Maximum Nesting Depth of Two Valid Parentheses Strings medium Min braces depth subsequence split blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/rPVRA34JlEQ

# 29.09.2026 2267. Check if There Is a Valid Parentheses String Path hard Any balanced braces-path blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/KBZq0OKZbZg

# 28.09.2026 1614. Maximum Nesting Depth of the Parentheses easy Max nested braces depth blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/ED6MYwu_wcI

# 27.09.2026 1190. Reverse Substrings Between Each Pair of Parentheses medium Reverse the substrings in braces blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/N011EDAhDv4

# 26.09.2026 1807. Evaluate the Bracket Pairs of a String medium Replace keys in braces with values blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/AdPcsLrY6RA

# 25.09.2026 1096. Brace Expansion II hard Expand sets-expression {x,y}z blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/Je8lpqA9Kxw

# 24.09.2026 3550. Smallest Index With Digit Sum Equal to Index easy Position equal to number digits sum blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/1mhYPbjj8cc

# 23.09.2026 1658. Minimum Operations to Reduce X to Zero medium Min operations to remove first or last elements sum of x blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/7u1twJHot1Q

# 22.09.2026 3525. Find X Value of Array II hard Queries of count subarrays product%k = x for x in 0..<k in suffixes s..end blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/UWfFrekrWsk

# 21.09.2026 3524. Find X Value of Array I medium Count subarrays product%k = x for x in 0..<k blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/d1IseeJYev8

# 20.09.2026 3498. Reverse Degree of a String easy Sum position times reversed letter blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/ay2LL9nVUJE

# 19.09.2026 1401. Circle and Rectangle Overlapping medium Do circle intersect the resct blog: https://dmitrysamoylenko.com/leetcode/ youtube: https://youtu.be/v2bpKVLACUE