View Compilation Error

0_0_33122466_7272.cpp: In function 'LinerBase query(int, int, int)':
0_0_33122466_7272.cpp:65:23: error: 'r' was not declared in this scope
     else return query(r
                       ^
0_0_33122466_7272.cpp:65:23: error: expected ';' at end of input
0_0_33122466_7272.cpp:65:23: error: expected '}' at end of input