View Compilation Error

0_0_30334340_4429.cpp: In function 'bool cmp(node, node)':
0_0_30334340_4429.cpp:28:27: error: expected ';' before ')' token
     return 1.0 * a.t / a.v) < (1.0 * b.t / b.v);
                           ^
0_0_30334340_4429.cpp:28:27: error: expected primary-expression before ')' token