Rezumat problemă

cifre_c

#3160

Se citesc un număr natural n având cifrele diferite două câte două și o cifră c. Afișați în ordine descrescătoare numerele formate din c cifre distincte care se pot obține din cifrele lui n și care au cifrele ordonate crescător.

Consola Muresan Ciprian (mcip1977) Ciprian Muresan ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	cifre_c	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63502694	Utilizator	ionita maria (maria_p_ionita)
Fișier	cifre_c.cpp	Dimensiune	938 B
Data încărcării	05 Martie 2026, 23:57	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

cifre_c.cpp:4:11: error: conflicting declaration 'int n'
 int n[10],n,c,v[15];

           ^
cifre_c.cpp:4:5: error: 'n' has a previous declaration as 'int n [10]'
 int n[10],n,c,v[15];

     ^
cifre_c.cpp: In function 'void Read()':
cifre_c.cpp:9:10: error: cannot bind 'std::istream {aka std::basic_istream<char>}' lvalue to 'std::basic_istream<char>&&'
     cin>>n>>c;

          ^
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from cifre_c.cpp:1:
/usr/include/c++/4.8/istream:872:5: error:   initializing argument 1 of 'std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = int [10]]'
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
cifre_c.cpp:10:11: warning: the address of 'n' will always evaluate as 'true' [-Waddress]
     while(n)

           ^
cifre_c.cpp:12:18: error: invalid operands of types 'int [10]' and 'int' to binary 'operator%'
         v[++i]=n%10;

                  ^
cifre_c.cpp:13:13: error: invalid operands of types 'int [10]' and 'int' to binary 'operator/'
         n=n/10;

             ^
cifre_c.cpp:15:6: error: incompatible types in assignment of 'int' to 'int [10]'
     n=i;

      ^
cifre_c.cpp:16:15: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
     for(i=1;i<n;i++)

               ^
cifre_c.cpp:17:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
         for(j=i+1;j<=n;j++)

                      ^
cifre_c.cpp: In function 'void Display()':
cifre_c.cpp:26:15: error: 'x' was not declared in this scope
         cout<<x[i];

               ^
cifre_c.cpp: In function 'int Valid(int)':
cifre_c.cpp:33:8: error: 'x' was not declared in this scope
     if(x[1]==0)

        ^
cifre_c.cpp:37:12: error: 'x' was not declared in this scope
         if(x[i]==x[k])

            ^
cifre_c.cpp:39:12: error: 'x' was not declared in this scope
         if(x[i]>x[i+1])

            ^
cifre_c.cpp: In function 'void Backtracking(int)':
cifre_c.cpp:52:20: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
         for(i=1;i<=n;i++)

                    ^
cifre_c.cpp:54:13: error: 'x' was not declared in this scope
             x[k]=v[i];

             ^

Cum funcționează evaluarea?