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Monotone stack handles the problem of size comparison in the overall O(n) time by maintaining the monotonic increment (decrement) of the value in the stack. 739 daily temperature Given the daily temperature, it is required to wait a few days for each day to wait for a warmer day. If there is no warmer weather after that day, it is recorded as ...

Sword finger Offer 46. Translate numbers into strings Title: Given a number, we translate it into a string according to the following rules: 0 into "a", 1 into "b", 11 into "l", and 25 into "z". A number may have multiple translations. Please implement a function to calculate how many different translat ...

1. Title 1. Title Description _Xiaoli will n n Quotations for n parts are stored in an array n u m s ...

5888. When the network is idle Give you one with n   Computer network of servers with server number   0   reach   n - 1  . And give you a two-dimensional array of integers   edges  ， among   edges[i] = [ui, vi]   Represents the server   UI and   vi   There is an information line bet ...

Write before This article uses python as the programming language and the author practices it by himself. The list of topics is: Swordfinger Offer (2nd Edition) ""Swordfinger Offer (2nd Edition)"passes through the world's classic secrets for programmer interviews. Analyse typical programming interviews, collate the basic kno ...

subject There is an undirected graph with n nodes. Each of these nodes has a unique number between 0 and n - 1. Give you a two-dimensional array graph, where graph[u] is an array of nodes, which is composed of adjacent nodes of node U. Formally, for each V in graph[u], there is an undirected edge between node u and node v. The undirected graph ...

preface Hello, I'm long Lu. I'm just a junior now. I'm working on the back end and occasionally on the front end. Now the main language is Java. For a long time before, I was learning some technologies of web development. I haven't studied and brushed questions like data structures and algorithms for a long time. I plan to pick them up and ...

Binary Sum 🔥🔥A special column was opened to record LeedCode topics, summarize ideas, analyze topics, summarize knowledge points, practice makes perfect! Welcome to collection! 1. Title Give you two binary strings and return their sum (in binary). The input is a non-empty string and contains only the numbers 1 and 0. Example 1: in ...

subject https://leetcode.com/problems/shopping-offers/ Problem solution Similar topics include: leetcode 474. Ones and Zeroes | 474. One and zero (double constrained knapsack problem) This problem is essentially a knapsack problem with multiple constraints (n < 6). The goal is to minimize the total price when the knapsack is just full. ...

110.Balanced Binary Tree-Force Button (LeetCode) Release: October 10, 2021 21:30:53 Problem description and examples Given a binary tree, determine whether it is a highly balanced binary tree. In this topic, a height-balanced binary tree is defined as: The absolute difference between the left and right subtrees of each node of a binary tr ...