View Compilation Error

0_0_34163216_32548.cpp: In member function 'fastin& fastin::operator>>(T&)':
0_0_34163216_32548.cpp:9:9: error: expected primary-expression before 'template'
         template
         ^
0_0_34163216_32548.cpp: In function 'int main()':
0_0_34163216_32548.cpp:122:25: error: 'opt' was not declared in this scope
             scanf("%s", opt);
                         ^
0_0_34163216_32548.cpp:125:37: error: 'struct ZKWseg' has no member named 'query'
                 printf("%d\n", segs.query(l, r));
                                     ^
0_0_34163216_32548.cpp:128:27: error: 'seg' was not declared in this scope
                 auto nw = seg.node;
                           ^
0_0_34163216_32548.cpp:133:26: error: 'struct ZKWseg' has no member named 'update'
                     segs.update(qpos, 1);
                          ^