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	#64565048	Utilizator	Prodan David (D4vid)
Fișier	permutari6.cpp	Dimensiune	629 B
Data încărcării	14 Mai 2026, 15:15	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari6.cpp: In function ‘void afisare()’:
permutari6.cpp:12:9: error: ‘cout’ was not declared in this scope
   12 |         cout << v[i] << ' ';
      |         ^~~~
permutari6.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;
permutari6.cpp:13:4: error: ‘cout’ was not declared in this scope
   13 |    cout << '\n';
      |    ^~~~
permutari6.cpp:13:4: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
permutari6.cpp: In function ‘void backtrack(int)’:
permutari6.cpp:18:18: error: ‘a’ was not declared in this scope
   18 |     for (int i = a; i <= b; i++)
      |                  ^
permutari6.cpp:18:26: error: ‘b’ was not declared in this scope
   18 |     for (int i = a; i <= b; i++)
      |                          ^
permutari6.cpp: In function ‘int main()’:
permutari6.cpp:35:5: error: ‘cin’ was not declared in this scope
   35 |     cin >> a>>b;
      |     ^~~
permutari6.cpp:35:5: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
permutari6.cpp:35:12: error: ‘a’ was not declared in this scope
   35 |     cin >> a>>b;
      |            ^
permutari6.cpp:35:15: error: ‘b’ was not declared in this scope
   35 |     cin >> a>>b;
      |               ^

Cum funcționează evaluarea?