ACM刷题准备

链接：

https://blog.csdn.net/Aibiabcheng/article/details/76597297

https://blog.csdn.net/liuqiyao_01/article/details/9079611?utm_medium=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase

https://blog.csdn.net/weixin_39778570/article/details/80710837