Company: yandex

All the problems asked by "yandex".

• LeetCode 125 - Valid Palindrome

  • facebook
  • yandex
  • adobe
  •  two-pointers
  •  string

  Determine if a given string is a palindrome, considering only alphanumeric characters and ignoring cases.

• Leetcode 49 - Group Anagrams

  • amazon
  • yandex
  • microsoft
  •  hash-table
  •  string
  •  sorting

  Given an array of strings, group anagrams together. An anagram is a word formed by rearranging the letters of a different word, using all original letters exactly once.