View Compilation Error

0_0_21887240_25127.cpp: In function 'int main()':
0_0_21887240_25127.cpp:439:11: error: 'read' was not declared in this scope
     read(t);
           ^
0_0_21887240_25127.cpp:439:11: note: suggested alternative:
0_0_21887240_25127.cpp:78:13: note:   'fastIO::read'
 inline void read(char &c)
             ^