Rezumat problemă

Permutari2

#125

Se citeşte un număr natural nenul n, apoi n numere naturale distincte. Să se afişeze, în ordine lexicografică, permutările mulţimii formate din cele n numere citite.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Permutari2	Operații I/O	permutari2.in/permutari2.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#59596618	Utilizator	Oancea Vlad (vlad_oancea26)
Fișier	permutari2.cpp	Dimensiune	762 B
Data încărcării	04 Octombrie 2025, 09:17	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari2.cpp:4:14: warning: character constant too long for its type [enabled by default]
 ifstream fin('permutari2.in');

              ^
permutari2.cpp:5:15: warning: character constant too long for its type [enabled by default]
 ofstream fout('permutari2.out')

               ^
permutari2.cpp:4:29: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
 ifstream fin('permutari2.in');

                             ^
In file included from permutari2.cpp:1:0:
/usr/include/c++/4.8/fstream:467:7: error:   initializing argument 1 of 'std::basic_ifstream<_CharT, _Traits>::basic_ifstream(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::_Ios_Openmode]' [-fpermissive]
       basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in)
       ^
permutari2.cpp:5:31: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
 ofstream fout('permutari2.out')

                               ^
In file included from permutari2.cpp:1:0:
/usr/include/c++/4.8/fstream:640:7: error:   initializing argument 1 of 'std::basic_ofstream<_CharT, _Traits>::basic_ofstream(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; std::ios_base::openmode = std::_Ios_Openmode]' [-fpermissive]
       basic_ofstream(const char* __s,
       ^
permutari2.cpp:6:1: error: expected ',' or ';' before 'int'
 int sol[10], k, n, v[10];

 ^
permutari2.cpp: In function 'bool valid(int)':
permutari2.cpp:11:12: error: 'sol' was not declared in this scope
         if(sol[k] == sol[i])

            ^
permutari2.cpp: In function 'void tipar(int)':
permutari2.cpp:19:17: error: 'v' was not declared in this scope
         fout << v[sol[i]] << '\n';

                 ^
permutari2.cpp:19:19: error: 'sol' was not declared in this scope
         fout << v[sol[i]] << '\n';

                   ^
permutari2.cpp: In function 'void bkt(int)':
permutari2.cpp:23:26: error: 'n' was not declared in this scope
     for (int i = 1; i <= n; i++)

                          ^
permutari2.cpp:25:9: error: 'sol' was not declared in this scope
         sol[k] = 1;

         ^
permutari2.cpp:26:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
         if(valid(k))

           ^
permutari2.cpp: In function 'int main()':
permutari2.cpp:36:12: error: 'n' was not declared in this scope
     fin >> n;

            ^
permutari2.cpp:38:16: error: 'v' was not declared in this scope
         fin >> v[i];

                ^
permutari2.cpp:40:14: error: 'v' was not declared in this scope
         sort(v + 1, v + n + 1);

              ^

Cum funcționează evaluarea?