0_0_5532066_8007.cpp: In function `void Astar()':
0_0_5532066_8007.cpp:113: error: `bn2' undeclared (first use this function)
0_0_5532066_8007.cpp:113: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5532066_8007.cpp:114: error: expected `;' before "if"
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