运行 ID: 5511

Main.cc: In function ‘int main()’:
Main.cc:6:24: error: expected ‘)’ before ‘;’ token
    6 |  while( cin>>a>>b>>c>>d;)
      |       ~                ^
      |                        )
Main.cc:6:2: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation]
    6 |  while( cin>>a>>b>>c>>d;)
      |  ^~~~~
Main.cc:6:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘while’
    6 |  while( cin>>a>>b>>c>>d;)
      |                         ^
Main.cc:6:25: error: expected primary-expression before ‘)’ token