发现题解通道已关闭
P8086
https://www.luogu.com.cn/blog/183026/p8086-jroi-5music
P8087
https://www.luogu.com.cn/blog/183026/p8087-jroi-5interval
P8088
https://www.luogu.com.cn/blog/183026/p8088-jroi-5autumn
P8089
https://www.luogu.com.cn/blog/183026/p8089-jroi-5color