View Compilation Error

0_0_29711208_16782.cpp:34:1: error: 'uisng' does not name a type
 uisng namespace fastIO;
 ^
0_0_29711208_16782.cpp: In function 'int main()':
0_0_29711208_16782.cpp:51:11: error: 'read' was not declared in this scope
     read(t);
           ^
0_0_29711208_16782.cpp:51:11: note: suggested alternative:
0_0_29711208_16782.cpp:25:17: note:   'fastIO::read'
     inline void read(int &x) {
                 ^