題目： Given an array of integers, every element appearstwiceexcept for one...

題目： Given a binary array, find the maximum number of consecutive 1s in t...

題目： You are playing the following Nim Game with your friend: There is a ...

題目： You are given a map in form of a two-dimensional integer grid where ...

題目： You are given two arrays(without duplicates)nums1 and nums2 where nu...

題目： Write a function that takes a string as input and returns the string...

題目： Write a program that outputs the string representation of numbers fr...

題目： Given a List of words, return the words that can be typed using lett...

題目： Given a positive integer, output its complement number. The compleme...