View Compilation Error

0_0_18260637_12822.cpp: In function 'int main()':
0_0_18260637_12822.cpp:36:72: error: expected ')' before ';' token
                 cur += (l + 1) * ( t - 1) + (l + 1 - (t2 == 0 ? l : t2);
                                                                        ^