Rezumat problemă

Permutari1

#124

Se citeşte un număr natural nenul n. Să se afişeze, în ordine invers lexicografică, permutările mulţimii {1,2,..,n}.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Permutari1	Operații I/O	permutari1.in/permutari1.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64264348	Utilizator	1 d (15hana)
Fișier	permutari1.cpp	Dimensiune	829 B
Data încărcării	27 Aprilie 2026, 09:40	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari1.cpp:34:2: error: stray ‘#’ in program
   34 | }#include <fstream>
      |  ^
permutari1.cpp: In function ‘void back(int)’:
permutari1.cpp:19:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
   19 |         if( OK(k) )
      |           ^
permutari1.cpp: At global scope:
permutari1.cpp:34:3: error: ‘include’ does not name a type
   34 | }#include <fstream>
      |   ^~~~~~~
permutari1.cpp:37:5: error: redefinition of ‘int x [10]’
   37 | int x[10] ,n;
      |     ^
permutari1.cpp:4:5: note: ‘int x [10]’ previously declared here
    4 | int x[10] ,n;
      |     ^
permutari1.cpp:37:12: error: redefinition of ‘int n’
   37 | int x[10] ,n;
      |            ^
permutari1.cpp:4:12: note: ‘int n’ previously declared here
    4 | int x[10] ,n;
      |            ^
permutari1.cpp:39:10: error: redefinition of ‘std::ofstream fout’
   39 | ofstream fout("permutari1.out");
      |          ^~~~
permutari1.cpp:6:10: note: ‘std::ofstream fout’ previously declared here
    6 | ofstream fout("permutari1.out");
      |          ^~~~
permutari1.cpp:41:5: error: redefinition of ‘int OK(int)’
   41 | int OK(int k){
      |     ^~
permutari1.cpp:8:5: note: ‘int OK(int)’ previously defined here
    8 | int OK(int k){
      |     ^~
permutari1.cpp: In function ‘int OK(int)’:
permutari1.cpp:42:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   42 |     for(int i=1;i<k;++i)
      |     ^~~
permutari1.cpp:45:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   45 |         return 1;}
      |         ^~~~~~

Cum funcționează evaluarea?