https://leetcode.com/problems/linked-list-in-binary-tree/description/

Is the LinkedList in the BinaryTree? #medium #linked_list #tree

https://leetcode.com/problems/split-linked-list-in-parts/description/

Split LinkedList into k parts #medium #linked_list

https://leetcode.com/problems/spiral-matrix-iv/description/


LinkedList to spiral 2D matrix #medium #linked_list #simulation

https://leetcode.com/problems/insert-greatest-common-divisors-in-linked-list/description/

Insert gcd in-between LinkedList nodes #medium #linked_list #math

https://leetcode.com/problems/minimum-bit-flips-to-convert-number/description/

Bit diff between two numbers #easy #bit_manipulation

https://leetcode.com/problems/count-the-number-of-consistent-strings/description/

Count words with allowed characters #easy

https://leetcode.com/problems/xor-queries-of-a-subarray/description/

Run queries[[from, to]] of xor(arr[from..to]) #medium #bit_manipulation

1000 days

Time flies. Pick any date on the calendar – that day will come https://t.me/leetcode_daily_chat/2079. You only have one day in life, and it’s every day. What you do in it is what you get out of life.

https://leetcode.com/problems/longest-subarray-with-maximum-bitwise-and/description/

Max bitwise AND subarray #medium #bit_manipulation #two_pointers

https://leetcode.com/problems/find-the-longest-substring-containing-vowels-in-even-counts/description/

Longest substring with even number of "aeiou" #medium #bit_manipulation #two_pointers

https://leetcode.com/problems/minimum-time-difference/description/

Min difference in a list of times hh:mm #medium

https://leetcode.com/problems/uncommon-words-from-two-sentences/description/

Unique words from two strings #easy

https://leetcode.com/problems/largest-number/description/

Concatenate nums to largest number #medium #math

https://leetcode.com/problems/different-ways-to-add-parentheses/description/

Eval all possible parenthesis placements #medium #dynamic_programming

https://leetcode.com/problems/shortest-palindrome/description/

Prepend to make the shortest palindrome #hard #rolling_hash #knuth-morris-pratt

https://leetcode.com/problems/lexicographical-numbers/description/

Lexicographical ordered numbers 1..n #medium #dfs

https://leetcode.com/problems/k-th-smallest-in-lexicographical-order/description/

k lexicographically smallest value from 1..n #hard #math

https://leetcode.com/problems/extra-characters-in-a-string/description/

Min extra chars to form an s from dictionary #medium #dynamic_programming

https://leetcode.com/problems/find-the-length-of-the-longest-common-prefix/description/


Common digit prefix between all pairs of two num arrays #medium #trie

https://leetcode.com/problems/sum-of-prefix-scores-of-strings/description/

Counts of words with same prefixes #hard #trie

https://leetcode.com/problems/my-calendar-i/description/

Insert non-intersection interval #medium #binary_search