摘要: https://www.cnblogs.com/dx123/p/16782224.html 阅读全文
posted @ 2025-09-28 15:40 katago 阅读(5) 评论(0) 推荐(0)
摘要: 输入输出优化 int 快读 int read() { int xr=0,F=1; char cr; while(cr=getchar(),cr<'0'||cr>'9') if(cr=='-') F=-1; while(cr>='0'&&cr<='9') xr=(xr<<3)+(xr<<1)+(cr^ 阅读全文
posted @ 2025-09-28 12:09 katago 阅读(8) 评论(0) 推荐(0)