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	#58005458	Utilizator	Sava Robert Stefan (Robitzuuuu)
Fișier	permutari.cpp	Dimensiune	721 B
Data încărcării	07 Mai 2025, 20:03	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari.cpp: In function 'int main()':
permutari.cpp:8:11: error: storage size of 'v' isn't known
   int n,v[];

           ^
permutari.cpp:10:9: error: 'back' was not declared in this scope
   back(1);  

         ^
permutari.cpp: In function 'bool valid(int)':
permutari.cpp:17:10: error: 'v' was not declared in this scope
       if(v[k]==v[i])

          ^
permutari.cpp: In function 'bool solutie(int)':
permutari.cpp:24:11: error: 'n' was not declared in this scope
     if(k==n)

           ^
permutari.cpp: In function 'void afisare()':
permutari.cpp:31:19: error: 'n' was not declared in this scope
     for(int j=0;j<n;j++)

                   ^
permutari.cpp:32:13: error: 'v' was not declared in this scope
       cout<<v[j]<<" ";

             ^
permutari.cpp: In function 'void back(int)':
permutari.cpp:38:20: error: 'n' was not declared in this scope
     for(int i=1;i<=n;i++)

                    ^
permutari.cpp:40:7: error: 'v' was not declared in this scope
       v[k]=i;

       ^
permutari.cpp:41:19: warning: pointer to a function used in arithmetic [-Wpointer-arith]
         if(valid[k])

                   ^
permutari.cpp:42:25: warning: pointer to a function used in arithmetic [-Wpointer-arith]
             if(solutie[k])

                         ^
permutari.cpp:41:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
         if(valid[k])

           ^

Cum funcționează evaluarea?