Rezumat problemă

Permutari2

#125

Se citeşte un număr natural nenul n, apoi n numere naturale distincte. Să se afişeze, în ordine lexicografică, permutările mulţimii formate din cele n numere citite.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Permutari2	Operații I/O	permutari2.in/permutari2.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64499475	Utilizator	Ciurte Flavius (Flavius_Ciurte)
Fișier	permutari2.cpp	Dimensiune	602 B
Data încărcării	11 Mai 2026, 12:59	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari2.cpp: In function ‘void afisare()’:
permutari2.cpp:13:9: error: reference to ‘cout’ is ambiguous
   13 |         cout<<a[x[i]]<<" ";
      |         ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:146,
                 from permutari2.cpp:1:
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
permutari2.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("permutari2.out");
      |          ^~~~
permutari2.cpp:14:5: error: reference to ‘cout’ is ambiguous
   14 |     cout << '\n';
      |     ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
permutari2.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("permutari2.out");
      |          ^~~~
permutari2.cpp: At global scope:
permutari2.cpp:18:5: error: expected initializer before ‘for’
   18 |     for(int i=1 ; i<=n ; i++)
      |     ^~~
permutari2.cpp:18:19: error: ‘i’ does not name a type
   18 |     for(int i=1 ; i<=n ; i++)
      |                   ^
permutari2.cpp:18:26: error: ‘i’ does not name a type
   18 |     for(int i=1 ; i<=n ; i++)
      |                          ^
permutari2.cpp:27:1: error: expected declaration before ‘}’ token
   27 | }
      | ^
permutari2.cpp: In function ‘int main()’:
permutari2.cpp:31:5: error: reference to ‘cin’ is ambiguous
   31 |     cin>>n;
      |     ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
permutari2.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin("permutari2.in");
      |          ^~~
permutari2.cpp:33:9: error: reference to ‘cin’ is ambiguous
   33 |         cin>>a[i];
      |         ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
permutari2.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin("permutari2.in");
      |          ^~~
permutari2.cpp:35:5: error: ‘back’ was not declared in this scope
   35 |     back(1);
      |     ^~~~

Cum funcționează evaluarea?