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	#64915984	Utilizator	rediu patric (rediupatric)
Fișier	permutari.cpp	Dimensiune	1.68 KB
Data încărcării	12 Iunie 2026, 16:36	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari.cpp: In function ‘void init()’:
permutari.cpp:12:9: warning: unused variable ‘i’ [-Wunused-variable]
   12 |     int i;
      |         ^
permutari.cpp: In function ‘int valid(int)’:
permutari.cpp:27:9: warning: unused variable ‘i’ [-Wunused-variable]
   27 |     int i, ok;
      |         ^
permutari.cpp: In function ‘void bkt(int)’:
permutari.cpp:46:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
   46 |         if (valid(p))
      |            ^
permutari.cpp: At global scope:
permutari.cpp:64:10: error: redefinition of ‘std::ifstream fin’
   64 | ifstream fin("permutari.in");
      |          ^~~
permutari.cpp:5:10: note: ‘std::ifstream fin’ previously declared here
    5 | ifstream fin("permutari.in");
      |          ^~~
permutari.cpp:65:10: error: redefinition of ‘std::ofstream fout’
   65 | ofstream fout("permutari.out");
      |          ^~~~
permutari.cpp:6:10: note: ‘std::ofstream fout’ previously declared here
    6 | ofstream fout("permutari.out");
      |          ^~~~
permutari.cpp:67:5: error: redefinition of ‘int st [20]’
   67 | int st[20], n;
      |     ^~
permutari.cpp:8:5: note: ‘int st [20]’ previously declared here
    8 | int st[20], n;
      |     ^~
permutari.cpp:67:13: error: redefinition of ‘int n’
   67 | int st[20], n;
      |             ^
permutari.cpp:8:13: note: ‘int n’ previously declared here
    8 | int st[20], n;
      |             ^
permutari.cpp:69:6: error: redefinition of ‘void init()’
   69 | void init()
      |      ^~~~
permutari.cpp:10:6: note: ‘void init()’ previously defined here
   10 | void init()
      |      ^~~~
permutari.cpp: In function ‘void init()’:
permutari.cpp:71:9: warning: unused variable ‘i’ [-Wunused-variable]
   71 |     int i;
      |         ^
permutari.cpp: At global scope:
permutari.cpp:77:6: error: redefinition of ‘void tipar(int)’
   77 | void tipar(int p)
      |      ^~~~~
permutari.cpp:18:6: note: ‘void tipar(int)’ previously defined here
   18 | void tipar(int p)
      |      ^~~~~
permutari.cpp:84:5: error: redefinition of ‘int valid(int)’
   84 | int valid(int p)
      |     ^~~~~
permutari.cpp:25:5: note: ‘int valid(int)’ previously defined here
   25 | int valid(int p)
      |     ^~~~~
permutari.cpp: In function ‘int valid(int)’:
permutari.cpp:86:9: warning: unused variable ‘i’ [-Wunused-variable]
   86 |     int i, ok;
      |         ^
permutari.cpp: At global scope:
permutari.cpp:94:5: error: redefinition of ‘int solutie(int)’
   94 | int solutie(int p)
      |     ^~~~~~~
permutari.cpp:35:5: note: ‘int solutie(int)’ previously defined here
   35 | int solutie(int p)
      |     ^~~~~~~
permutari.cpp:99:6: error: redefinition of ‘void bkt(int)’
   99 | void bkt(int p)
      |      ^~~
permutari.cpp:40:6: note: ‘void bkt(int)’ previously defined here
   40 | void bkt(int p)
      |      ^~~
permutari.cpp: In function ‘void bkt(int)’:
permutari.cpp:105:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wdangling-else]
  105 |         if (valid(p))
      |            ^
permutari.cpp: At global scope:
permutari.cpp:113:5: error: redefinition of ‘int main()’
  113 | int main()
      |     ^~~~
permutari.cpp:54:5: note: ‘int main()’ previously defined here
   54 | int main()
      |     ^~~~

Cum funcționează evaluarea?