摘要：Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except ...
阅读全文
摘要：Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. Th...
阅读全文
摘要：Given two strings s and t, write a function to determine if t is an anagram of s.For example,s = "anagram", t = "nagaram", return true.s = "rat", t = ...
阅读全文
摘要：Given a binary tree, return all root-to-leaf paths.For example, given the following binary tree: 1 / \2 3 \ 5All root-to-leaf paths are:["1->...
阅读全文
摘要：Given an array of numbers nums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements ...
阅读全文
摘要：Write a program to find the n-th ugly number.Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For example, 1, 2, 3, 4, 5, 6...
阅读全文
摘要：Write a program to check whether a given number is an ugly number.Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For exam...
阅读全文
摘要：Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements.For example, give...
阅读全文
摘要：Given an Iterator class interface with methods: next() and hasNext(), design and implement a PeekingIterator that support the peek() operation -- it e...
阅读全文
摘要：Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number must exist. ...
阅读全文
