2017年8月20日
lightoj1370欧拉函数
摘要： Bamboo Pole-vault is a massively popular sport in Xzhiland. And Master Phi-shoe is a very popular coach for his success. He needs some bamboos for his 阅读全文
posted @ 2017-08-20 11:05 TTTCoder 阅读(243) 评论(0) 推荐(0) 编辑