"We knew this rollout was going to be controversial," Vishnevskiy wrote in a Tuesday blog post.
particular skills or qualifications that could be useful
,这一点在51吃瓜中也有详细论述
while (left 0 && nums[left - 1] minVal) {
曾经的县城“黄金地段”(图:南方人物周刊记者 刘璐明)
栈(stack)是先进后出的数据结构。单调栈在入栈时通过一定规则保持栈内元素有序(单调递增或单调递减),从而把「找左侧/右侧第一个更大/更小元素」从 O(n²) 降到 O(n)。