View Compilation Error

0_0_22211982_32617.cpp: In function 'void tarjan(int)':
0_0_22211982_32617.cpp:38:1: error: expected primary-expression before '%' token
 %
 ^
0_0_22211982_32617.cpp:38:1: error: expected primary-expression at end of input
0_0_22211982_32617.cpp:38:1: error: expected '}' at end of input