Foreword

This morning's exam was unexpected for me

Summary

Summary

Generally speaking, the total score of 3700 points was 1925.16 points, and the time was 1h

Difficulty

The topics are all edited by CF and edited by senior students in the third year of high school. The difficulty is simple, and the ideas are OK. It can be done without data structures and algorithms

Topic details

The first question - memory

Too simple to say no

Solution

https://blog.csdn.net/weixin_42178241/article/details/126222753

Question 2—photographer

Too simple to say

Solution

https://blog.csdn.net/weixin_42178241/article/details/126223014

Question 3—sweeper

Analysis

Failed to analyze the essence of the problem, resulting in the question code being written crookedly, and finally WA

Solution

https://blog.csdn.net/weixin_42178241/article/details/126225950

Question 4 - district

Analysis

Write an extra layer of useless loop, it's TLE

Solution

https://blog.csdn.net/weixin_42178241/article/details/126225950

Afterword

There will be tomorrow, try to analyze the source of the problem