Rezumat problemă

Shuffle

#205

Se citeşte un număr natural nenul n şi o permutare a mulţimii M={1,2,..,n}. Să se afişeze, în ordine lexicografică, toate permutările mulţimii M care nu conţin elemente alăturate care au fost alăturate şi în permutarea dată.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Shuffle	Operații I/O	shuffle.in/shuffle.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64472338	Utilizator	Oprea Mihai (Mihai_Oprea)
Fișier	shuffle.cpp	Dimensiune	2.83 KB
Data încărcării	09 Mai 2026, 00:01	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

shuffle.cpp:1:7: error: expected nested-name-specifier before ‘System’
    1 | using System;
      |       ^~~~~~
shuffle.cpp:2:7: error: expected nested-name-specifier before ‘System’
    2 | using System.IO;
      |       ^~~~~~
shuffle.cpp:3:7: error: expected nested-name-specifier before ‘System’
    3 | using System.Text;
      |       ^~~~~~
shuffle.cpp:8:15: error: expected unqualified-id before ‘[’ token
    8 |     static int[] a;
      |               ^
shuffle.cpp:9:16: error: expected unqualified-id before ‘[’ token
    9 |     static bool[,] adj;
      |                ^
shuffle.cpp:10:15: error: expected unqualified-id before ‘[’ token
   10 |     static int[] sol;
      |               ^
shuffle.cpp:11:16: error: expected unqualified-id before ‘[’ token
   11 |     static bool[] viz;
      |                ^
shuffle.cpp:12:17: error: ISO C++ forbids in-class initialization of non-const static member ‘Program::found’
   12 |     static bool found = false;
      |                 ^~~~~
shuffle.cpp:13:12: error: ‘StringBuilder’ does not name a type
   13 |     static StringBuilder output = new StringBuilder();
      |            ^~~~~~~~~~~~~
shuffle.cpp:81:2: error: expected ‘;’ after class definition
   81 | }
      |  ^
      |  ;
shuffle.cpp: In static member function ‘static void Program::Main()’:
shuffle.cpp:17:15: error: expected nested-name-specifier before ‘(’ token
   17 |         using (FileStream fs = File.OpenRead("shuffle.in"))
      |               ^
shuffle.cpp:37:13: error: ‘adj’ was not declared in this scope
   37 |             adj[a[i], a[i + 1]] = true;
      |             ^~~
shuffle.cpp:37:17: error: ‘a’ was not declared in this scope
   37 |             adj[a[i], a[i + 1]] = true;
      |                 ^
shuffle.cpp:43:13: error: ‘File’ was not declared in this scope
   43 |             File.WriteAllText("shuffle.out", "nu exista\n");
      |             ^~~~
shuffle.cpp:47:13: error: ‘File’ was not declared in this scope
   47 |             File.WriteAllText("shuffle.out", output.ToString());
      |             ^~~~
shuffle.cpp:47:46: error: ‘output’ was not declared in this scope
   47 |             File.WriteAllText("shuffle.out", output.ToString());
      |                                              ^~~~~~
shuffle.cpp: In static member function ‘static void Program::Bkt(int)’:
shuffle.cpp:55:18: error: ‘viz’ was not declared in this scope
   55 |             if (!viz[i])
      |                  ^~~
shuffle.cpp:57:30: error: ‘adj’ was not declared in this scope
   57 |                 if (k > 1 && adj[sol[k - 1], i])
      |                              ^~~
shuffle.cpp:57:34: error: ‘sol’ was not declared in this scope
   57 |                 if (k > 1 && adj[sol[k - 1], i])
      |                                  ^~~
shuffle.cpp:60:17: error: ‘sol’ was not declared in this scope
   60 |                 sol[k] = i;
      |                 ^~~
shuffle.cpp:68:25: error: ‘output’ was not declared in this scope
   68 |                         output.Append(sol[j]).Append(j == n ? "" : " ");
      |                         ^~~~~~
shuffle.cpp:70:21: error: ‘output’ was not declared in this scope
   70 |                     output.AppendLine();
      |                     ^~~~~~
shuffle.cpp: At global scope:
shuffle.cpp:85:12: error: expected ‘:’ before ‘readonly’
   85 |     private readonly Stream stream;
      |            ^~~~~~~~~
      |            :
shuffle.cpp:85:13: error: ‘readonly’ does not name a type
   85 |     private readonly Stream stream;
      |             ^~~~~~~~
shuffle.cpp:86:12: error: expected ‘:’ before ‘readonly’
   86 |     private readonly byte[] buffer = new byte[1 << 16];
      |            ^~~~~~~~~
      |            :
shuffle.cpp:86:13: error: ‘readonly’ does not name a type
   86 |     private readonly byte[] buffer = new byte[1 << 16];
      |             ^~~~~~~~
shuffle.cpp:87:12: error: expected ‘:’ before ‘int’
   87 |     private int length;
      |            ^~~~
      |            :
shuffle.cpp:88:12: error: expected ‘:’ before ‘int’
   88 |     private int index;
      |            ^~~~
      |            :
shuffle.cpp:90:11: error: expected ‘:’ before ‘Scanner’
   90 |     public Scanner(Stream stream)
      |           ^~~~~~~~
      |           :
shuffle.cpp:90:26: error: expected ‘)’ before ‘stream’
   90 |     public Scanner(Stream stream)
      |                   ~      ^~~~~~~
      |                          )
shuffle.cpp:95:12: error: expected ‘:’ before ‘int’
   95 |     private int Read()
      |            ^~~~
      |            :
shuffle.cpp:106:11: error: expected ‘:’ before ‘int’
  106 |     public int NextInt()
      |           ^~~~
      |           :
shuffle.cpp:130:2: error: expected ‘;’ after class definition
  130 | }
      |  ^
      |  ;
shuffle.cpp: In member function ‘int Scanner::Read()’:
shuffle.cpp:99:22: error: ‘stream’ was not declared in this scope
   99 |             length = stream.Read(buffer, 0, buffer.Length);
      |                      ^~~~~~
shuffle.cpp:99:34: error: ‘buffer’ was not declared in this scope
   99 |             length = stream.Read(buffer, 0, buffer.Length);
      |                                  ^~~~~~
shuffle.cpp:103:16: error: ‘buffer’ was not declared in this scope
  103 |         return buffer[index++];
      |                ^~~~~~

Cum funcționează evaluarea?