给定 pushed 和 popped 两个序列,只有当它们可能是在最初空栈上进行的推入 push 和弹出 pop 操作序列的结果时,返回 true:否则,返回 false . 示例 1: 输入:pushed = [1,2,3,4,5], popped = [4,5,3,2,1] 输出:true 解释:我们可以按以下顺序执行: push(1), push(2), push(3), push(4), pop() -> 4, push(5), pop() -> 5, pop() -> 3, p…

946. Validate Stack Sequences 题目描述 Given two sequences pushed and popped with distinct values, return true if and only if this could have been the result of a sequence of push and pop operations on an initially empty stack. 示例 示例1 Input: pushed = [1,…

题目 给定 pushed 和 popped 两个序列,只有当它们可能是在最初空栈上进行的推入 push 和弹出 pop 操作序列的结果时,返回 true:否则,返回 false . 示例 1: 输入:pushed = [1,2,3,4,5], popped = [4,5,3,2,1] 输出:true 解释:我们可以按以下顺序执行: push(1), push(2), push(3), push(4), pop() -> 4, push(5), pop() -> 5, pop() -> 3…

网址:https://leetcode.com/problems/validate-stack-sequences/ 参考:https://leetcode.com/problems/validate-stack-sequences/discuss/197667/Java-straight-forward-stack-solution. 模拟过程 class Solution { public: bool validateStackSequences(vector<int>& push…

946. 验证栈序列 946. Validate Stack Sequences 题目描述 Given two sequences pushed and popped with distinct values, return true if and only if this could have been the result of a sequence of push and pop operations on an initially empty stack. 每日一算法2019/5/29D…

946. Validate Stack Sequences class Solution { public: bool validateStackSequences(vector<int>& pushed, vector<int>& popped) { stack<int> sta; ; ;i < pushed.size();i++){ sta.push(pushed[i]); while(!sta.empty() && sta.t…

Given two sequences pushed and popped with distinct values, return true if and only if this could have been the result of a sequence of push and pop operations on an initially empty stack. Example 1: Input: pushed = [1,2,3,4,5], popped = [4,5,3,2,1]…

题目如下: Given two sequences pushed and popped with distinct values, return true if and only if this could have been the result of a sequence of push and pop operations on an initially empty stack. Example 1: Input: pushed = [1,2,3,4,5], popped = [4,5,3…

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 模拟过程 日期 题目地址:https://leetcode.com/problems/minimum-increment-to-make-array-unique/description/ 题目描述 Given two sequences pushed and popped with distinct values, return true if a…

Given two sequences pushed and popped with distinct values, return true if and only if this could have been the result of a sequence of push and pop operations on an initially empty stack. Example 1: Input: pushed = [1,2,3,4,5], popped = [4,5,3,2,1]…