Rezumat problemă

Permutari

#123

Se citeşte un număr natural nenul n. Să se afişeze, în ordine lexicografică, permutările mulţimii {1,2,..,n}.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Permutari	Operații I/O	permutari.in/permutari.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#59029921	Utilizator	Braiș Andrei (brais_andrei)
Fișier	permutari.cpp	Dimensiune	297 B
Data încărcării	15 Septembrie 2025, 11:44	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari.cpp:3:1: error: stray '\342' in program
 ifstream cin(“permutari.in”);

 ^
permutari.cpp:3:1: error: stray '\200' in program
permutari.cpp:3:1: error: stray '\234' in program
permutari.cpp:3:1: error: stray '\342' in program
permutari.cpp:3:1: error: stray '\200' in program
permutari.cpp:3:1: error: stray '\235' in program
permutari.cpp:4:1: error: stray '\342' in program
 ofstream cout(“permutari.out”);

 ^
permutari.cpp:4:1: error: stray '\200' in program
permutari.cpp:4:1: error: stray '\234' in program
permutari.cpp:4:1: error: stray '\342' in program
permutari.cpp:4:1: error: stray '\200' in program
permutari.cpp:4:1: error: stray '\235' in program
permutari.cpp:7:1: error: stray '\342' in program
 { for(int i = 1 ; i <= n ; i++) cout << x[i] << “ “; cout << endl;

 ^
permutari.cpp:7:1: error: stray '\200' in program
permutari.cpp:7:1: error: stray '\234' in program
permutari.cpp:7:1: error: stray '\342' in program
permutari.cpp:7:1: error: stray '\200' in program
permutari.cpp:7:1: error: stray '\234' in program
permutari.cpp:3:17: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin(“permutari.in”);

                 ^
permutari.cpp:3:17: error: 'permutari' was not declared in this scope
permutari.cpp:4:18: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout(“permutari.out”);

                  ^
permutari.cpp:4:18: error: 'permutari' was not declared in this scope
permutari.cpp: In function 'void afisare()':
permutari.cpp:7:33: error: reference to 'cout' is ambiguous
 { for(int i = 1 ; i <= n ; i++) cout << x[i] << “ “; cout << endl;

                                 ^
permutari.cpp:4:10: note: candidates are: <typeprefixerror>cout
 ofstream cout(“permutari.out”);

          ^
In file included from permutari.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
permutari.cpp:7:41: error: 'x' was not declared in this scope
 { for(int i = 1 ; i <= n ; i++) cout << x[i] << “ “; cout << endl;

                                         ^
permutari.cpp:7:56: error: expected primary-expression before ';' token
 { for(int i = 1 ; i <= n ; i++) cout << x[i] << “ “; cout << endl;

                                                        ^
permutari.cpp:7:58: error: reference to 'cout' is ambiguous
 { for(int i = 1 ; i <= n ; i++) cout << x[i] << “ “; cout << endl;

                                                          ^
permutari.cpp:4:10: note: candidates are: <typeprefixerror>cout
 ofstream cout(“permutari.out”);

          ^
In file included from permutari.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
permutari.cpp: In function 'int valid(int)':
permutari.cpp:10:4: error: 'x' was not declared in this scope
 {  x[k] = i; if(valid(k))

    ^
permutari.cpp:10:11: error: 'i' was not declared in this scope
 {  x[k] = i; if(valid(k))

           ^
permutari.cpp:12:1: error: a function-definition is not allowed here before '{' token
 { cin >> n; back(1);
 ^
permutari.cpp:12:20: error: expected '}' at end of input
 { cin >> n; back(1);
                    ^
permutari.cpp:12:20: warning: no return statement in function returning non-void [-Wreturn-type]

Cum funcționează evaluarea?