摘要：
Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times. Given an array of size 阅读全文
摘要：
Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Given an array of integers where 阅读全文