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	#64115498	Utilizator	Parlici Laura (laura14p08)
Fișier	permutari.cpp	Dimensiune	712 B
Data încărcării	17 Aprilie 2026, 19:40	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari.cpp:8:5: error: expected initializer before ‘for’
    8 |     for(int i=1;i<=k-1;i++)
      |     ^~~
permutari.cpp:8:17: error: ‘i’ does not name a type
    8 |     for(int i=1;i<=k-1;i++)
      |                 ^
permutari.cpp:8:24: error: ‘i’ does not name a type
    8 |     for(int i=1;i<=k-1;i++)
      |                        ^
permutari.cpp:11:5: error: expected unqualified-id before ‘return’
   11 |     return 1;}
      |     ^~~~~~
permutari.cpp:11:14: error: expected declaration before ‘}’ token
   11 |     return 1;}
      |              ^
permutari.cpp: In function ‘void back(int)’:
permutari.cpp:22:12: error: ‘valid’ was not declared in this scope
   22 |         if(valid(k){
      |            ^~~~~
permutari.cpp:22:20: error: expected ‘)’ before ‘{’ token
   22 |         if(valid(k){
      |           ~        ^
      |                    )
permutari.cpp:24:29: error: expected primary-expression before ‘}’ token
   24 |             else back(k+1);}}
      |                             ^
permutari.cpp:25:20: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   25 |            int main(){
      |                    ^~
permutari.cpp:25:20: note: remove parentheses to default-initialize a variable
   25 |            int main(){
      |                    ^~
      |                    --
permutari.cpp:25:20: note: or replace parentheses with braces to value-initialize a variable
permutari.cpp:25:22: error: a function-definition is not allowed here before ‘{’ token
   25 |            int main(){
      |                      ^
permutari.cpp:30:26: error: expected ‘}’ at end of input
   30 |                return 0;}
      |                          ^
permutari.cpp:19:17: note: to match this ‘{’
   19 | void back(int k){
      |                 ^

Cum funcționează evaluarea?