Rezumat problemă

Permutari6

#3909

Se citesc două numere a și b. Să se afișeze, în ordine lexicografică, permutările mulțimii {a, a + 1, ..., b}.

Consola Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Permutari6	Operații I/O	tastatură/ecran
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#60765794	Utilizator	Neagu Cosmin (_mihai100)
Fișier	permutari6.cpp	Dimensiune	442 B
Data încărcării	11 Noiembrie 2025, 09:47	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari6.cpp: In function 'void afisare(int)':
permutari6.cpp:5:12: error: 'l' was not declared in this scope
 for (int i=l;i<=k; i++) 

            ^
permutari6.cpp:6:5: error: 'cout' was not declared in this scope
     cout<<st[i]<<" "; 

     ^
permutari6.cpp:6:5: note: suggested alternative:
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:74:0,
                 from permutari6.cpp:1:
/usr/include/c++/4.8/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
permutari6.cpp:7:1: error: 'cout' was not declared in this scope
 cout<<endl;} 

 ^
permutari6.cpp:7:1: note: suggested alternative:
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:74:0,
                 from permutari6.cpp:1:
/usr/include/c++/4.8/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
permutari6.cpp:7:7: error: 'endl' was not declared in this scope
 cout<<endl;} 

       ^
permutari6.cpp:7:7: note: suggested alternative:
In file included from /usr/include/c++/4.8/istream:39:0,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from permutari6.cpp:1:
/usr/include/c++/4.8/ostream:564:5: note:   'std::endl'
     endl(basic_ostream<_CharT, _Traits>& __os)
     ^
permutari6.cpp: In function 'int valid(int)':
permutari6.cpp:9:13: error: 'l' was not declared in this scope
 {for (int i=l:i<k;i++) 

             ^
permutari6.cpp:9:22: error: expected ';' before ')' token
 {for (int i=l:i<k;i++) 

                      ^
permutari6.cpp:10:26: error: 'o' was not declared in this scope
 if (st[k]==st[i]) return o;

                          ^
permutari6.cpp: In function 'void back(int)':
permutari6.cpp:16:8: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
     if (valid(k)) 

        ^
permutari6.cpp:20:1: error: a function-definition is not allowed here before '{' token
 {

 ^
permutari6.cpp:24:2: error: expected '}' at end of input
  }
  ^

Cum funcționează evaluarea?