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View Compilation Error

0_0_39162089_6707.cpp:20:11: error: 'edge' was not declared in this scope
   20 | bool cmp2(edge a,edge b)
      |           ^~~~
0_0_39162089_6707.cpp:20:18: error: 'edge' was not declared in this scope
   20 | bool cmp2(edge a,edge b)
      |                  ^~~~
0_0_39162089_6707.cpp:20:24: error: expression list treated as compound expression in initializer [-fpermissive]
   20 | bool cmp2(edge a,edge b)
      |                        ^


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