摘要： Description Some of Farmer John's N cows (1 ≤ N ≤ 80,000) are having a bad hair day! Since each cow is self-conscious about her messy hairstyle, FJ wa 阅读全文

摘要： Description Let N be the set of all natural numbers {0 , 1 , 2 , . . . }, and R be the set of all real numbers. wi, hi for i = 1 . . . n are some elem 阅读全文

摘要： 转自http://blog.csdn.net/liujian20150808/article/details/50752861 单调栈的定义： 单调栈就是栈内元素单调递增或者单调递减的栈，单调栈只能在栈顶操作。 为了更好的理解单调栈，则可将单调栈用生活情形模拟实现，例如： 我们借用拿号排队的场景来说 阅读全文