View Compilation Error

0_0_30230824_8996.cpp: In function 'void dfs(int, int, int, int)':
0_0_30230824_8996.cpp:38:6: error: expected primary-expression before '%' token
   if(%
      ^
0_0_30230824_8996.cpp:38:6: error: expected primary-expression at end of input
0_0_30230824_8996.cpp:38:6: error: expected ')' at end of input
0_0_30230824_8996.cpp:38:6: error: expected statement at end of input
0_0_30230824_8996.cpp:38:6: error: expected '}' at end of input
0_0_30230824_8996.cpp:38:6: error: expected '}' at end of input