Given an array A of integers, a ramp is a tuple (i, j) for which i < j and A[i] <= A[j].  The width of such a ramp is j - i. Find the maximum width of a ramp in A.  If one doesn't exist, return 0. Example 1: Input: [6,0,8,2,1,5] Output: 4 Explanatio…

Given an array A of integers, a ramp is a tuple (i, j) for which i < j and A[i] <= A[j].  The width of such a ramp is j - i. Find the maximum width of a ramp in A.  If one doesn't exist, return 0. Example 1: Input: [6,0,8,2,1,5] Output: 4 Explanatio…

Given an array A of integers, a ramp is a tuple (i, j) for which i < j and A[i] <= A[j].  The width of such a ramp is j - i. Find the maximum width of a ramp in A.  If one doesn't exist, return 0. Example 1: Input: [6,0,8,2,1,5] Output: 4 Explanatio…

Given an array A of integers, a ramp is a tuple (i, j) for which i < j and A[i] <= A[j].  The width of such a ramp is j - i. Find the maximum width of a ramp in A.  If one doesn't exist, return 0. Example 1: Input: [6,0,8,2,1,5] Output: 4 Explanatio…

题目如下: Given an array A of integers, a ramp is a tuple (i, j) for which i < j and A[i] <= A[j].  The width of such a ramp is j - i. Find the maximum width of a ramp in A.  If one doesn't exist, return 0. Example 1: Input: [6,0,8,2,1,5] Output: 4 Expl…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 单调栈 日期 题目地址:https://leetcode.com/problems/maximum-width-ramp/ 题目描述 Given an array A of integers, a ramp is a tuple (i, j) for which i < j and A[i] <= A[j]. The width of such a…

本题题意: 在数组中,找到最大的j-i,使得i<j and A[i] <= A[j] 思路: 维持一个递减的栈,遇到比栈顶小的元素,进栈: 比大于等于栈顶的元素-> 找到栈中第一个小于等于该元素的下标 时间:O(Nlgn),空间:O(N) List<Integer> s = new ArrayList<>(); int res = 0; for (int i = 0; i < A.length; i++){ if (s.isEmpty() || A[ s.g…

2020-01-23 19:39:26 问题描述: 问题求解: public int maxWidthRamp(int[] A) { Stack<Integer> stack = new Stack<>(); int res = 0; int n = A.length; for (int i = 0; i < n; i++) { if (stack.isEmpty() || A[stack.peek()] > A[i]) { stack.add(i); } } for…

Given a binary tree, write a function to get the maximum width of the given tree. The width of a tree is the maximum width among all levels. The binary tree has the same structure as a full binary tree, but some nodes are null. The width of one level…

Given a binary tree, write a function to get the maximum width of the given tree. The width of a tree is the maximum width among all levels. The binary tree has the same structure as a full binary tree, but some nodes are null. The width of one level…