題目 難度:easy You're given strings J representing the types of stones that are jewels, and...
題目 難度:easy You're given strings J representing the types of stones that are jewels, and...
題目 難度:easy Given a List of words, return the words that can be typed using letters of a...
題目 難度:easy Write a function that takes a string as input and returns the string reverse...
題目 難度:easy Given a string, you need to reverse the order of characters in each word wit...
題目 難度:easy Given a positive integer, output its complement number. The complement strat...
題目 難度:easy Given two lists Aand B, and B is an anagram of A. B is an anagram of A means...
題目 難度:easy Given an array of 2n integers, your task is to group these integers into n p...
題目 難度:easy A self-dividing number is a number that is divisible by every digit it conta...
題目 難度:easy Initially, there is a Robot at position (0, 0). Given a sequence of its move...
題目 難度:easy The Hamming distance between two integers is the number of positions at whic...