LeetCode 970: Powerful Integers
A clear explanation of generating all powerful integers using bounded powers and a set.
Tag
Enumeration
9 notes
LeetCode 906: Super Palindromes
A clear explanation of counting super-palindromes by generating palindromic roots and checking their squares.
LeetCode 816: Ambiguous Coordinates
An enumeration solution for reconstructing all valid coordinate pairs after commas, spaces, and decimal points were removed.
LeetCode 681: Next Closest Time
Find the next valid 24-hour time using only the digits from the current time.
LeetCode 555: Split Concatenated Strings
A clear explanation of Split Concatenated Strings using string reversal choices and enumeration of every possible cut point.
LeetCode 479: Largest Palindrome Product
A clear explanation of finding the largest palindrome made from the product of two n-digit numbers by generating palindrome candidates directly.
LeetCode 411: Minimum Unique Word Abbreviation
A clear explanation of finding the shortest abbreviation that does not conflict with any dictionary word using bit masks.
LeetCode 401: Binary Watch
A clear explanation of the Binary Watch problem using bit counting over all valid times.
LeetCode 306: Additive Number
A clear explanation of Additive Number using split enumeration and deterministic checking.