输入数据加速 scan_d();

#include<stdio.h>#include<stdlib.h>template<class T>  inline bool scan_d(T &ret){      char c;bool sgn;      if(c=getchar(),c==EOF)return 0;      while(c!='-'&&(c<'0'||c>'9'))c=getchar();      sgn=(c=='-');      ret=sgn?0:(c-'0');      while(c=getchar(),c>='0'&&c<='9')ret=ret*10+(c-'0');      if(sgn)ret=-ret;      return 1;  }  int main(){int t;scan_d(t);  //输入加速printf("%d\n",t);system("pause");}