java ACM模式自己写的输入输出

转载：
https://blog.csdn.net/KingGue/article/details/123335283?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2~default~CTRLIST~Rate-1-123335283-blog-124253192.pc_relevant_multi_platform_whitelistv4&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2~default~CTRLIST~Rate-1-123335283-blog-124253192.pc_relevant_multi_platform_whitelistv4&utm_relevant_index=1
https://blog.csdn.net/weixin_43653890/article/details/124253192