Rezumat problemă

Numar2

#742

Fie un număr natural a având n cifre. Scrieţi un program care să determine un număr natural x cu proprietatea că este cel mai mic număr mai mare decât a, care are exact aceleaşi cifre ca şi numărul a.

Lot Juniori, Bistrita, 2009

Fișiere Candale Silviu (silviu) concurs

Clasa 9 Probleme diverse Probleme diverse

Rezolvă

Detalii

Problema	Numar2	Operații I/O	numar2.in/numar2.out
Limita timp	2 secunde	Limita memorie	Total: 2 MB / Stivă 2 MB
Id soluție	#64660365	Utilizator	Calin Dragos (RegeleOu3433)
Fișier	numar2.cpp	Dimensiune	925 B
Data încărcării	21 Mai 2026, 09:03	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

numar2.cpp: In function ‘int main()’:
numar2.cpp:12:5: error: reference to ‘cin’ is ambiguous
   12 |     cin >> n >> ant;
      |     ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:146,
                 from numar2.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
numar2.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin ( "numar2.in" );
      |          ^~~
numar2.cpp:15:9: error: reference to ‘cin’ is ambiguous
   15 |         cin >> ch;
      |         ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
numar2.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin ( "numar2.in" );
      |          ^~~
numar2.cpp:20:5: error: reference to ‘cin’ is ambiguous
   20 |     cin.close ();
      |     ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
numar2.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin ( "numar2.in" );
      |          ^~~
numar2.cpp:27:13: error: reference to ‘cout’ is ambiguous
   27 |             cout << ch;
      |             ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
numar2.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout ( "numar2.out" );
      |          ^~~~
numar2.cpp:32:15: warning: array subscript has type ‘char’ [-Wchar-subscripts]
   32 |             f[ch]++;
      |               ^~
numar2.cpp:36:5: error: reference to ‘cout’ is ambiguous
   36 |     cout << minch;
      |     ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
numar2.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout ( "numar2.out" );
      |          ^~~~
numar2.cpp:39:13: error: reference to ‘cout’ is ambiguous
   39 |             cout << i;
      |             ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
numar2.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout ( "numar2.out" );
      |          ^~~~

Cum funcționează evaluarea?