View Compilation Error

0_0_5050383_13357.cpp: In function `int bfs()':
0_0_5050383_13357.cpp:320: error: expected primary-expression before '%' token
0_0_5050383_13357.cpp:320: error: expected primary-expression at end of input
0_0_5050383_13357.cpp:320: error: expected `;' at end of input
0_0_5050383_13357.cpp:320: error: expected `}' at end of input