View Compilation Error

0_0_29346388_25687.cpp: In function 'bool dfs(int)':
0_0_29346388_25687.cpp:36:12: error: expected '(' before '%' token
         if %2
            ^
0_0_29346388_25687.cpp:36:13: error: expected '}' at end of input
         if %2
             ^
0_0_29346388_25687.cpp:36:13: error: expected '}' at end of input