There are N children standing in a line. Each child is assigned a rating value. You are giving candies to these children subjected to the following requiremen...

Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another expressi...

You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from ro...

Find the total area covered by two rectilinear rectangles in a 2D plane. Each rectangle is defined by its bottom left corner and top right corner as shown in ...

该文介绍了如何计算逆波兰表达式的值。逆波兰表达式是一种后缀表达式，不需要括号来表示优先级，而是用操作数直接表示。该文通过一个堆栈来计算逆波兰表达式的值，在遍历逆波兰表达式时，遇到操作符就出栈，然后计算，最后将计算...

该文是关于LeetCode的40. Combination Sum II问题的一个解决方案。该问题要求给定候选数字集合和目标数字，找到所有不重复的组合，使得它们的和等于目标数字。解决方案使用排序来避免重复组合，并使用递归实现核心算法。...

LWC 52：688. Knight Probability in Chessboard传送门：688. Knight Probability in ChessboardProblem: On

该文介绍了计算给定温度列表中每个元素下一天的最高温度的问题。通过使用栈和记忆化搜索算法，该文给出了一个高效的解决方案。

该文章介绍了LWC 60：735. Asteroid Collision问题，输入一个整数数组，找出碰撞后剩余行星的数量。文章首先介绍了算法思路，然后分别用Java和Python两种语言实现了算法。...