View Compilation Error

0_0_10706064_13425.cpp: In function `int bfs(int)':
0_0_10706064_13425.cpp:39: error: expected primary-expression before '%' token
0_0_10706064_13425.cpp:39: error: expected primary-expression at end of input
0_0_10706064_13425.cpp:39: error: expected `;' at end of input
0_0_10706064_13425.cpp:39: error: expected `}' at end of input