View Compilation Error

0_0_10113719_2442.cpp: In function `long long int dfs(int, int, int, bool)':
0_0_10113719_2442.cpp:28: error: expected primary-expression before '%' token
0_0_10113719_2442.cpp:28: error: expected `;' at end of input
0_0_10113719_2442.cpp:28: error: expected `}' at end of input
0_0_10113719_2442.cpp:28: error: expected `}' at end of input