View Compilation Error

0_0_4789029_30717.cpp: In function `void dfs(int)':
0_0_4789029_30717.cpp:18: error: expected primary-expression before '%' token
0_0_4789029_30717.cpp:18: error: expected primary-expression at end of input
0_0_4789029_30717.cpp:18: error: expected `;' at end of input
0_0_4789029_30717.cpp:18: error: expected `}' at end of input
0_0_4789029_30717.cpp:18: error: expected `}' at end of input
0_0_4789029_30717.cpp:18: error: expected `}' at end of input