fork download

 
template<typename T>
constexpr int int_n(T x){
return 1;
}
 
template<typename T, typename... m>
constexpr int int_n(T x,m... hvost){
return 1+int_n(hvost...);
}
constexpr int str_n( const char* s){
   int u=0;
   while(*s!=0){
      if (*s=='%') u++;
      s++;
   }
   return u;
}
 
 
int main(int argc, char** argv)
{ 
 
	{
      long long n=_rdtsc(),d;
      int sn=str_n("sdfgkjlhasdflkjhsdfjlhk;gdfsjkl%hdrfjklhsdfjkhlsdfgjkhsdfgljhkgdfsdfgjk%");
      d=_rdtsc()-n;
      printf("s: %d  [%d]\n",sn,d);
      n=_rdtsc();
      int nn=int_n(213,123,12,"12312",nullptr,123412);
      d=_rdtsc()-n;
      printf("i: %d  [%d]\n",nn,d);
      system("pause");
 
   }
 
}

prog.cpp: In function ‘int main(int, char**)’:
prog.cpp:25:26: error: ‘_rdtsc’ was not declared in this scope
       long long n=_rdtsc(),d;
                          ^
prog.cpp:27:7: error: ‘d’ was not declared in this scope
       d=_rdtsc()-n;
       ^
prog.cpp:28:34: error: ‘printf’ was not declared in this scope
       printf("s: %d  [%d]\n",sn,d);
                                  ^
prog.cpp:33:21: error: ‘system’ was not declared in this scope
       system("pause");
                     ^

Standard output is empty