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	#64142773	Utilizator	sandor sara (miau_sara)
Fișier	permutari.cpp	Dimensiune	551 B
Data încărcării	20 Aprilie 2026, 10:51	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari.cpp:3:1: error: ‘ifstram’ does not name a type
    3 | ifstram cin("permutari.in");
      | ^~~~~~~
permutari.cpp:4:1: error: ‘ofstram’ does not name a type
    4 | ofstram cout("permutari.out");
      | ^~~~~~~
permutari.cpp: In function ‘void backt(int)’:
permutari.cpp:19:13: error: ‘cout’ was not declared in this scope
   19 |             cout<<s[j]<<" ";
      |             ^~~~
permutari.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;
permutari.cpp:20:9: error: ‘cout’ was not declared in this scope
   20 |         cout<<'\n';
      |         ^~~~
permutari.cpp:20:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
permutari.cpp: In function ‘int main()’:
permutari.cpp:34:5: error: ‘cin’ was not declared in this scope
   34 |     cin>>n;
      |     ^~~
permutari.cpp:34:5: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?

Cum funcționează evaluarea?