运行 ID: 33070

Main.cc: In function ‘int main()’:
Main.cc:5:14: error: expected ‘)’ before ‘;’ token
  while(cin>>a;){
              ^
Main.cc:5:2: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation]
  while(cin>>a;){
  ^~~~~
Main.cc:5:15: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘while’
  while(cin>>a;){
               ^
Main.cc:5:15: error: expected primary-expression before ‘)’ token