View Compilation Error

0_0_33258695_22384.cpp: In function 'int query(int, int, int, int, int)':
0_0_33258695_22384.cpp:27:35: error: invalid conversion from 'int (*)(int, int, int, int, int)' to 'int' [-fpermissive]
         if(tree[lsn] > qr) return query
                                   ^
0_0_33258695_22384.cpp:27:35: error: expected ';' at end of input
0_0_33258695_22384.cpp:27:35: error: expected '}' at end of input
0_0_33258695_22384.cpp:27:35: error: expected '}' at end of input