Rezumat problemă

Calculator

#1303

Se dau două numere naturale și un simbol pentru una dintre operațiile +, -, *, /. Să se determine rezultatul operației aplicate pentru cele două numere.

Consola Oniga Mihai (bustatu) Mihai Oniga ușoară

Clasa 9 Elemente de baza ale limbajului Structura de decizie

Rezolvă

Detalii

Problema	Calculator	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#52250590	Utilizator	Zamfir Tudor Matei (tmz1)
Fișier	calculator.cpp	Dimensiune	323 B
Data încărcării	24 Septembrie 2024, 16:01	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

calculator.cpp: In function 'int main()':
calculator.cpp:8:15: error: expected primary-expression before ')' token
     if(semn==+){

               ^
calculator.cpp:9:18: error: no match for 'operator=' (operand types are 'std::basic_ostream<char>' and 'int')
         cout<<A+B=R;

                  ^
calculator.cpp:9:18: note: candidate is:
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from calculator.cpp:1:
/usr/include/c++/4.8/ostream:58:11: note: std::basic_ostream<char>& std::basic_ostream<char>::operator=(const std::basic_ostream<char>&) <deleted>
     class basic_ostream : virtual public basic_ios<_CharT, _Traits>
           ^
/usr/include/c++/4.8/ostream:58:11: note:   no known conversion for argument 1 from 'int' to 'const std::basic_ostream<char>&'
calculator.cpp:11:15: error: expected primary-expression before ')' token
     if(semn==-){

               ^
calculator.cpp:12:18: error: no match for 'operator=' (operand types are 'std::basic_ostream<char>' and 'int')
         cout<<A-B=R;

                  ^
calculator.cpp:12:18: note: candidate is:
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from calculator.cpp:1:
/usr/include/c++/4.8/ostream:58:11: note: std::basic_ostream<char>& std::basic_ostream<char>::operator=(const std::basic_ostream<char>&) <deleted>
     class basic_ostream : virtual public basic_ios<_CharT, _Traits>
           ^
/usr/include/c++/4.8/ostream:58:11: note:   no known conversion for argument 1 from 'int' to 'const std::basic_ostream<char>&'
calculator.cpp:14:15: error: expected primary-expression before ')' token
     if(semn==*){

               ^
calculator.cpp:15:18: error: no match for 'operator=' (operand types are 'std::basic_ostream<char>' and 'int')
         cout<<A*B=R;

                  ^
calculator.cpp:15:18: note: candidate is:
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from calculator.cpp:1:
/usr/include/c++/4.8/ostream:58:11: note: std::basic_ostream<char>& std::basic_ostream<char>::operator=(const std::basic_ostream<char>&) <deleted>
     class basic_ostream : virtual public basic_ios<_CharT, _Traits>
           ^
/usr/include/c++/4.8/ostream:58:11: note:   no known conversion for argument 1 from 'int' to 'const std::basic_ostream<char>&'
calculator.cpp:17:14: error: expected primary-expression before '/' token
     if(semn==/){

              ^
calculator.cpp:17:15: error: expected primary-expression before ')' token
     if(semn==/){

               ^
calculator.cpp:18:18: error: no match for 'operator=' (operand types are 'std::basic_ostream<char>' and 'int')
         cout<<A/B=R;

                  ^
calculator.cpp:18:18: note: candidate is:
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from calculator.cpp:1:
/usr/include/c++/4.8/ostream:58:11: note: std::basic_ostream<char>& std::basic_ostream<char>::operator=(const std::basic_ostream<char>&) <deleted>
     class basic_ostream : virtual public basic_ios<_CharT, _Traits>
           ^
/usr/include/c++/4.8/ostream:58:11: note:   no known conversion for argument 1 from 'int' to 'const std::basic_ostream<char>&'

Cum funcționează evaluarea?