View Compilation Error

0_0_15088618_11099.cpp: In function 'int bfs()':
0_0_15088618_11099.cpp:143:13: error: expected primary-expression before '%' token
             %7
             ^
0_0_15088618_11099.cpp:143:14: error: expected '}' at end of input
             %7
              ^
0_0_15088618_11099.cpp:143:14: error: expected '}' at end of input
0_0_15088618_11099.cpp:143:14: error: expected '}' at end of input
0_0_15088618_11099.cpp:143:14: error: expected '}' at end of input