摘要: ####swap a^=b^=a^=b;//without function <= inline void swap(int &x,int &b){ a^=b^=a^=b; } <= swap(a,b);//stl ####究极快读 namespace fast_IO {//without nega 阅读全文
posted @ 2022-05-12 11:03 xyc1719 阅读(79) 评论(0) 推荐(0)