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  1. int main() {
  2. {
  3. float comprimento, largura;
  4. cout<<"Informe o comprimento e a largura do retângulo:";
  5. cin>>comprimento >> largura;
  6. cout<<"Área do retângulo:"<<comprimento*largura<<"m2\n”;
  7. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp:4:1: error: use of undeclared identifier 'cout'
cout<<"Informe o comprimento e a largura do retângulo:";
^
prog.cpp:5:1: error: use of undeclared identifier 'cin'
cin>>comprimento >> largura;
^
prog.cpp:6:1: error: use of undeclared identifier 'cout'
cout<<"Área do retângulo:"<<comprimento*largura<<"m2\n”;
^
prog.cpp:6:52: warning: missing terminating '"' character [-Winvalid-pp-token]
cout<<"Área do retângulo:"<<comprimento*largura<<"m2\n”;
                                                 ^
prog.cpp:6:52: error: expected expression
prog.cpp:7:2: error: expected '}'
}
 ^
prog.cpp:1:12: note: to match this '{'
int main()      {
                ^
1 warning and 5 errors generated.
stdout
Standard output is empty