View Compilation Error

0_0_25781869_11249.cpp: In function 'void modify(int, int, int)':
0_0_25781869_11249.cpp:157:59: error: expected ')' at end of input
    if (s2 - qnow < t2 - qpre || s2 - qnow == t2 - qpre && rnow
                                                           ^
0_0_25781869_11249.cpp:157:59: error: expected statement at end of input
0_0_25781869_11249.cpp:157:59: error: expected '}' at end of input
0_0_25781869_11249.cpp:157:59: error: expected '}' at end of input
0_0_25781869_11249.cpp:157:59: error: expected '}' at end of input