Foreword

Torrential rain this morning, no accident, another exam.

Summary

Summary

The first question and the fourth question were written and failed, and the performance was seriously abnormal with 4100 points, and only got 1358.1 points
Score distribution 1000 1100 1200 800

Difficulty

Slightly harder than 2022.8.8

Topic details

Question 1 - Balanced remainder

Analysis

The idea is correct, but the implementation is wrong

Solution

https://blog.csdn.net/weixin_42178241/article/details/126253675

Question 2 - Cubic Sum

Analysis

Failed to keep a clear head, resulting in the algorithm not being optimized successfully, let alone using map

Solution

https://blog.csdn.net/weixin_42178241/article/details/126245683

The third question - permutation and transformation

Analysis

AC
Don't say

Solution

https://blog.csdn.net/weixin_42178241/article/details/126243869

Question 4 - Unique Bid Auction

Analysis

The code is generally fine, but the definition of the state is wrong

Solution

https://blog.csdn.net/weixin_42178241/article/details/126249922

Afterword

Please AK tomorrow