Rezumat problemă

Aranjamente

#196

Se citesc două numere naturale nenule n și k. Să se afişeze, în ordine lexicografică, aranjamentele de câte k elemente ale mulţimii {1,2,..,n}.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Aranjamente	Operații I/O	aranjamente.in/aranjamente.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63405112	Utilizator	rediu patric (rediupatric)
Fișier	aranjamente.cpp	Dimensiune	811 B
Data încărcării	02 Martie 2026, 10:25	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

aranjamente.cpp:2:1: error: 'fstream' does not name a type
 fstream fin("aranjamente.in")

 ^
aranjamente.cpp: In function 'void tipar()':
aranjamente.cpp:32:9: error: 'cout' was not declared in this scope
         cout<<st[i];

         ^
aranjamente.cpp:32:9: note: suggested alternative:
In file included from aranjamente.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
aranjamente.cpp:33:5: error: 'cout' was not declared in this scope
     cout<<endl;

     ^
aranjamente.cpp:33:5: note: suggested alternative:
In file included from aranjamente.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
aranjamente.cpp:33:11: error: 'endl' was not declared in this scope
     cout<<endl;

           ^
aranjamente.cpp:33:11: note: suggested alternative:
In file included from /usr/include/c++/4.8/iostream:39:0,
                 from aranjamente.cpp:1:
/usr/include/c++/4.8/ostream:564:5: note:   'std::endl'
     endl(basic_ostream<_CharT, _Traits>& __os)
     ^
aranjamente.cpp: In function 'void bkt()':
aranjamente.cpp:41:41: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    {do {} while(as=succesor() && !valid());

                                         ^
aranjamente.cpp:47:5: error: 'else' without a previous 'if'
     else k--;

     ^
aranjamente.cpp: In function 'int main()':
aranjamente.cpp:52:5: error: 'cout' was not declared in this scope
     cout<<"n="; cin>>n;

     ^
aranjamente.cpp:52:5: note: suggested alternative:
In file included from aranjamente.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
aranjamente.cpp:52:17: error: 'cin' was not declared in this scope
     cout<<"n="; cin>>n;

                 ^
aranjamente.cpp:52:17: note: suggested alternative:
In file included from aranjamente.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
aranjamente.cpp:54:8: warning: statement is a reference, not call, to function 'bkt' [-Waddress]
     bkt;

        ^
aranjamente.cpp:54:8: warning: statement has no effect [-Wunused-value]

Cum funcționează evaluarea?