/in/foo.cc: In function 'int main()':
/in/foo.cc:12:23: error: expected ')' before ';' token
  while(cin>>tmpx>>tmpy;)
                       ^
/in/foo.cc:12:2: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
  while(cin>>tmpx>>tmpy;)
  ^~~~~
/in/foo.cc:12:24: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
  while(cin>>tmpx>>tmpy;)
                        ^
/in/foo.cc:12:24: error: expected primary-expression before ')' token