Rezumat problemă

romb

#1334

Cunoscând diagonalele unui romb, să se calculeze perimetrul și aria acestuia.

Consola Szabo Zoltan (SzaboZoltan) Zoltan Szabo ușoară

Clasa 9 Elemente de baza ale limbajului Operatori și expresii

Rezolvă

Detalii

Problema	romb	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64758748	Utilizator	Bordei Tudor (Tudor690)
Fișier	romb.cpp	Dimensiune	223 B
Data încărcării	28 Mai 2026, 10:35	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

romb.cpp:2:10: error: invalid preprocessing directive #iclude; did you mean #include?
    2 |         #iclude <iostream>
      |          ^~~~~~
      |          include
romb.cpp: In function ‘int main()’:
romb.cpp:6:5: error: ‘cin’ was not declared in this scope
    6 |     cin >> d1 >> d2;
      |     ^~~
romb.cpp:2:8: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
    1 |         #include <cmath>
  +++ |+#include <iostream>
    2 |         #iclude <iostream>
romb.cpp:8:5: error: ‘cout’ was not declared in this scope
    8 |     cout<< 4 * l << " "<< d1 * d2 / 2 << endl;
      |     ^~~~
romb.cpp:8:5: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
romb.cpp:8:42: error: ‘endl’ was not declared in this scope
    8 |     cout<< 4 * l << " "<< d1 * d2 / 2 << endl;
      |                                          ^~~~
romb.cpp:2:8: note: ‘std::endl’ is defined in header ‘<ostream>’; did you forget to ‘#include <ostream>’?
    1 |         #include <cmath>
  +++ |+#include <ostream>
    2 |         #iclude <iostream>

Cum funcționează evaluarea?