0_0_11139462_17442.cpp: In function `void bfs(node)':
0_0_11139462_17442.cpp:21: error: invalid token
0_0_11139462_17442.cpp:21: error: non-lvalue in unary `&'
0_0_11139462_17442.cpp:21: error: invalid token
0_0_11139462_17442.cpp:21: error: non-lvalue in unary `&'
0_0_11139462_17442.cpp:21: error: invalid token
0_0_11139462_17442.cpp:21: error: non-lvalue in unary `&'
0_0_11139462_17442.cpp:21: error: invalid token
0_0_11139462_17442.cpp:21: error: non-lvalue in unary `&'
0_0_11139462_17442.cpp:22: error: invalid token
0_0_11139462_17442.cpp:22: error: non-lvalue in unary `&'
0_0_11139462_17442.cpp:22: error: invalid token
0_0_11139462_17442.cpp:22: error: non-lvalue in unary `&'
0_0_11139462_17442.cpp:22: error: invalid token
0_0_11139462_17442.cpp:22: error: non-lvalue in unary `&'
0_0_11139462_17442.cpp:22: error: invalid token
0_0_11139462_17442.cpp:22: error: non-lvalue in unary `&'
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