View Compilation Error

0_0_37839667_23701.cpp: In function 'int main()':
0_0_37839667_23701.cpp:42:9: error: no matching function for call to 'read()'
  n=read();
         ^
0_0_37839667_23701.cpp:42:9: note: candidate is:
0_0_37839667_23701.cpp:24:35: note: template<class T> void read(T&)
 template <typename T> inline void read(T &WOW) {
                                   ^
0_0_37839667_23701.cpp:24:35: note:   template argument deduction/substitution failed:
0_0_37839667_23701.cpp:42:9: note:   candidate expects 1 argument, 0 provided
  n=read();
         ^
0_0_37839667_23701.cpp:45:15: error: no matching function for call to 'read()'
   a[i].y=read();
               ^
0_0_37839667_23701.cpp:45:15: note: candidate is:
0_0_37839667_23701.cpp:24:35: note: template<class T> void read(T&)
 template <typename T> inline void read(T &WOW) {
                                   ^
0_0_37839667_23701.cpp:24:35: note:   template argument deduction/substitution failed:
0_0_37839667_23701.cpp:45:15: note:   candidate expects 1 argument, 0 provided
   a[i].y=read();
               ^