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Sword finger offer Second Edition 1. Duplicate numbers in the array (Offer-03) Use both sets and dictionaries. var findRepeatNumber = function(nums) { let map = new Set() for(let i = 0; i < nums.length; i++) { const n = nums[i] if(map.has(n)) { return n } map.add(n) } }; 2. Search ...

Recursion & iteration recursion Recursion is often used to describe the process of repeating things by self similar method. In mathematics and computer science, it refers to the method of using function itself in function definition. (A calls A) iteration Repeat the activity of the feedback process, and the result of each iteration will ...

Monotone queue optimization for multiple knapsack problems Warm tips: it's better to eat dessert first and then enter the dinner~ 0-1 backpack problem (dessert) https://www.acwing.com/problem/content/2/ Simple solution #include <iostream> using namespace std; const int N = 1010; int n, m; //n number of items m maximum capacit ...

2022-02-13 daily clock in: problem fine brush Write in front "After being proficient, these things may be as plain as drinking water, but they can bring great happiness to beginners. I always feel that whether we can always maintain the enthusiasm and concentration like beginners determines how far we can go and how good we can do someth ...

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. ...

Note that you are looking for a continuous array!! 1, Dynamic programming method class Solution { public int maxSubArray(int[] nums) { //Create an array dp as large as nums int[] dp=new int[nums.length]; //dp[i] represents the sum of the largest subarray of the array ending in num [i] dp[0]=nums[0]; ...

introduce My LeetCode homepage, one problem one solution Tags: queue, dynamic programming, binary search 363. The rectangular area does not exceed the maximum value of K and Difficulty difficulty 363. The rectangular area does not exceed the maximum value of K and: https://leetcode-cn.com/problems/max-sum-of-rectangle-no-larger-than-k ...

#include<stdio.h> #include<string.h> #include<algorithm> int e[110][110],culture[110][110],country[110],visit[110];//Adjacency matrix of countries and cultures int N,K,M,S,T,learn[110],ans; int judge(int x,int y)//Judge whether there is any conflict between the learned culture and x countries { if(culture[ country[y] ...

💖 About the author: Hello, I'm brother cheshen, cheshen at No. 18 Fuxue road 🥇 ⚡ About - > Che Shen: the fastest time from the bedroom to the laboratory is 3 minutes, and the slowest time is 3.5 minutes (that half minute is actually waiting for the traffic light) 📝 Personal homepage: Drivers only need cars and hands, and the pressure com ...

1, Surplus (water) stay C / C + + / J a v ...