View Compilation Error

0_0_21456939_18348.cpp: In function 'int main()':
0_0_21456939_18348.cpp:63:16: error: too few arguments to function 'void fastIO::read(int&)'
     int T=read();
                ^
0_0_21456939_18348.cpp:46:13: note: declared here
 inline void read(int &x)
             ^