Coding Problems

Return all possible sentence constructions from dictionary words

Arrange words in lines with maxWidth, adding extra spaces as needed

Count the number of distinct subsequences of S that equal T

Find shortest substring of S that contains all characters of T in order

Implement regular expression matching with support for "." and "*"

Find minimum subsequences of source needed to form target

Find the kth bit in the nth binary string sequence

Convert string to zigzag pattern and read row-wise

Multiply two numbers represented as strings

Find the longest prefix which is also suffix

Rearrange characters so no two adjacent are same

Generate the count-and-say sequence

Convert a Roman numeral to an integer

Convert an integer to a Roman numeral

Implement a basic calculator to evaluate simple expressions

Simplify a Unix-style file path

Check if a string with wildcards can be valid parentheses

Count how many palindromic substrings in a string

Find the length of the longest substring with same letters after k replacements

Find all start indices of p's anagrams in s