摘要:Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexi
阅读全文
摘要:Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr
阅读全文
摘要:Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements that appear twi
阅读全文