Programming VIP

hash 1. Sum of two numbers The idea is to save it in the hash table first, and then judge whether it exists again. Use target - class Solution { public int[] twoSum(int[] nums, int target) { Map<Integer,Integer> map = new HashMap<>(); for(int i = 0;i < nums.length;i++){ if(map. ...

In the new week, come on ~, make progress a little every day ~. Algorithm problem (Niuke network) 1. Fibonacci sequence The Fibonacci sequence starts with the third term and is equal to the sum of the first two terms. Code details: class Solution { public: int Fibonacci(int n) { vector<int> dp(n + 1); dp[ ...

Programming problem prices = { 'AAPL': 191.88, 'GOOG': 1186.96, 'IBM': 149.24, 'ORCL': 48.44, 'ACN': 166.89, 'FB': 208.09, 'SYMC': 21.29 } 1. Some stock codes (keys) and prices (values) are saved in the dictionary. Use one line of code to find the stock with the highest price and output the stock code. (5 poin ...

6024. The number that appears most frequently immediately after the key in the array Code class Solution { public: int mostFrequent(vector<int>& nums, int key) { int n = nums.size(); int ans = 0; unordered_map<int, int> mp; for (int i = 0; i <= n - 2; i++) { /* Count the numbe ...

Game 73 biweekly subject 6024. The number that appears most frequently immediately after the key in the array General idea of the topic Give you an integer array nums with subscript starting from 0, and give you an integer key, which has appeared in nums. Count the occurrence times of different integer targets that appear immediately after ...

1, Threads and processes In programs that do not use multithreading, the program has only one main thread, and our program is top-down according to the code. In multithreaded programs, other threads run simultaneously with the main thread. As shown in the figure: Next, we introduce related concepts Speaking of process, we have to say pro ...

Topic source 149. Maximum number of points on a line Title details Give you an array of points, where points[i] = [xi, yi] represents a point on the X-Y plane. Find the maximum number of points on the same line. Example 1: Input: points = [[1,1],[2,2],[3,3]] Output: 3 Example 2: Input: points = [[1,1],[3,2],[5,3],[4,1],[2,3],[1,4]] Output: 4 ...

Title set address ICPC Dalian 2016 A - wresting match Title address A - Wrestling Match There are n athletes and m games. It is known that x are good athletes and y are bad athletes. Each game is a good athlete and a bad athlete. Ask whether all athletes can be divided into good athletes or bad athletes according to the known information. ...

💟 Author's introduction: Hello, my name is Ceylan_, Can call me CC ❣️ * 📝 Personal home page: Ceylan_ Blog 🏆 Blogger information: ordinary freshmen have extraordinary dreams Columns Prepare for the Blue Bridge Cup    Deduct one question per dayPTA Sky Ladder Race ⚡ I hope you can support me a lot 😘 Progress Together~ ❤️ 🌈 If it helps ...

preface In fact, the official also provides a method of dynamic planning. I'll make it up when I'm free (cry) One topic Give you an integer array nums. Please find a continuous sub array with the largest sum (the sub array contains at least one element) and return its maximum sum. A subarray is a contiguous part of an array. II. Examples an ...