Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit series activities - click on the task to see the details of the activities. The greedy algorithm sorts the array to find the maximum value of the combination

Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit Punch card activity. Click here for details. 【 典 型 范 例 2 】 A day suitable for robbing a bank. A good day to rob a bank. Medium

Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit series activities - click on the task to see the details of the activities. Given a non-negative integer num, add the digits repeatedly until the result is a single digit. Returns the result. Thought analysis

Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit series activities - click on the task to see the details of the activities. Detonate the balloon with the minimum number of arrows

This is the 27th day of my participation in the First Revision Challenge 2022. For details, see: first Revision Challenge 2022 1162. Map analysis

The Clone Graph (Python) looks at BFS traversal of graphs

Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit series activities - click on the task to see the details of the activities. Preface Today's topic is simple, although the topic is really simple, but the advanced method is not so simple, a little need to involve a little mathematical knowledge.

Offer to come, dig friends take it! I am participating in the 2022 Spring Recruit series activities - click on the task to see the details of the activities. You are given a two-dimensional grid of '1' (land) and '0' (water). You are asked to count the number of islands in the grid.

You are given an array of time, where time[I] represents how long it takes the ith bus to complete a trip. Each bus can make multiple trips in a row, that is, one bus

Leetcode 165. Compare Version Numbers (Python) looks at the basic operations on lists and strings