Rezumat problemă

Semn

#167

Să se scrie un program care citeşte de la tastatură un număr întreg şi determină semnul său.

Consola Candale Silviu (silviu) ușoară

Clasa 9 Elemente de baza ale limbajului Structura de decizie

Rezolvă

Detalii

Problema	Semn	Operații I/O	tastatură/ecran
Limita timp	1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64404043	Utilizator	buiurea lara (buiurea_lara)
Fișier	semn.cpp	Dimensiune	214 B
Data încărcării	05 Mai 2026, 12:41	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

semn.cpp:1:2: error: invalid preprocessing directive #i; did you mean #if?
    1 | #i#include <iostream>
      |  ^
      |  if
semn.cpp: In function ‘int main()’:
semn.cpp:7:5: error: ‘cin’ was not declared in this scope
    7 |     cin>>n;
      |     ^~~
semn.cpp:1:1: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
  +++ |+#include <iostream>
    1 | #i#include <iostream>
semn.cpp:9:9: error: ‘cout’ was not declared in this scope
    9 |         cout<<"pozitiv";
      |         ^~~~
semn.cpp:9:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
semn.cpp:11:9: error: ‘cout’ was not declared in this scope
   11 |         cout <<"negativ";
      |         ^~~~
semn.cpp:11:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
semn.cpp:13:9: error: ‘cout’ was not declared in this scope
   13 |         cout<<nul;
      |         ^~~~
semn.cpp:13:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
semn.cpp:13:15: error: ‘nul’ was not declared in this scope
   13 |         cout<<nul;
      |               ^~~

Cum funcționează evaluarea?