View Compilation Error

0_0_21938068_19711.cpp: In function 'void solve()':
0_0_21938068_19711.cpp:150:14: error: 'read' was not declared in this scope
   read(tol[i]);
              ^
0_0_21938068_19711.cpp:150:14: note: suggested alternative:
0_0_21938068_19711.cpp:33:17: note:   'fastIO::read'
     inline void read(int &x) {
                 ^
0_0_21938068_19711.cpp:154:9: error: 'read' was not declared in this scope
   read(u);
         ^
0_0_21938068_19711.cpp:154:9: note: suggested alternative:
0_0_21938068_19711.cpp:33:17: note:   'fastIO::read'
     inline void read(int &x) {
                 ^
0_0_21938068_19711.cpp:163:9: error: 'read' was not declared in this scope
   read(u);read(v);read(a);read(b);
         ^
0_0_21938068_19711.cpp:163:9: note: suggested alternative:
0_0_21938068_19711.cpp:33:17: note:   'fastIO::read'
     inline void read(int &x) {
                 ^