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	#64294141	Utilizator	Stefania-Ioana Mosor (Stefy_2508)
Fișier	aranjamente.cpp	Dimensiune	700 B
Data încărcării	28 Aprilie 2026, 12:32	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

aranjamente.cpp:5:1: error: expected ‘,’ or ‘;’ before ‘ofstream’
    5 | ofstream out("aranjamente.out")
      | ^~~~~~~~
aranjamente.cpp: In function ‘void Afis(int)’:
aranjamente.cpp:12:9: error: ‘cout’ was not declared in this scope
   12 |         cout << x[j] << " ";
      |         ^~~~
aranjamente.cpp:2:1: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
    1 | #include <fstream>
  +++ |+#include <iostream>
    2 | using namespace std;
aranjamente.cpp:12:17: error: ‘x’ was not declared in this scope
   12 |         cout << x[j] << " ";
      |                 ^
aranjamente.cpp:13:5: error: ‘cout’ was not declared in this scope
   13 |     cout << endl;
      |     ^~~~
aranjamente.cpp:13:5: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
aranjamente.cpp: In function ‘bool OK(int)’:
aranjamente.cpp:18:12: error: ‘x’ was not declared in this scope
   18 |         if(x[k] == x[i])
      |            ^
aranjamente.cpp: In function ‘bool Solutie(int)’:
aranjamente.cpp:25:17: error: ‘p’ was not declared in this scope
   25 |     return k == p;
      |                 ^
aranjamente.cpp: In function ‘void Back(int)’:
aranjamente.cpp:29:26: error: ‘n’ was not declared in this scope
   29 |     for(int i = 1 ; i <= n ; ++ i)
      |                          ^
aranjamente.cpp:31:9: error: ‘x’ was not declared in this scope
   31 |         x[k] = i;
      |         ^
aranjamente.cpp:32:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
   32 |         if(OK(k))
      |           ^
aranjamente.cpp: In function ‘int main()’:
aranjamente.cpp:40:5: error: ‘cin’ was not declared in this scope
   40 |     cin >> n >> p;
      |     ^~~
aranjamente.cpp:40:5: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
aranjamente.cpp:40:12: error: ‘n’ was not declared in this scope; did you mean ‘in’?
   40 |     cin >> n >> p;
      |            ^
      |            in
aranjamente.cpp:40:17: error: ‘p’ was not declared in this scope
   40 |     cin >> n >> p;
      |                 ^

Cum funcționează evaluarea?