//输入 template<class T> inline void read(T&x) { T ans=0,f=1; char ch=getchar(); while(ch>'9'||ch<'0') { if(ch=='-') f=-1; ch=getchar(); } while(ch<='9'&&ch>='0') { ans=ans*10+ch-'0'; ch=getchar(); } x=ans*f; } //输出 template<class T> inline void prin(T x) { if(x>9)prin(x/10); putchar(x%10+'0');//无回车 }
来源:https://www.cnblogs.com/CharlieWade/p/11410770.html