摘要: 1 int read(){ 2 char ch=getchar();int x=0,f=1; 3 while(ch<'0' || ch>'9') {if(ch=='-')f=-1;ch=getchar();} 4 while(ch>='0' && ch<='9'){x=x*10+ch-'0';ch= 阅读全文
posted @ 2020-11-05 19:55 LegendN 阅读(316) 评论(0) 推荐(0)