Rezumat problemă

schimb

#1580

Se dau trei numere naturale n, k și p și n șiruri formate din litere mici ale alfabetului englez. Înlocuiți a k-a literă din fiecare șir cu a p-a literă din alfabet. Dacă șirul are mai puțin de k litere se va scrie oglinditul lui.

Fișiere Alex Chirea (alexchirea) medie

Clasa 10 Şiruri de caractere Probleme diverse

Rezolvă

Detalii

Problema	schimb	Operații I/O	schimb.in/schimb.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64900980	Utilizator	Balint Rares -Andrei (6Rares11)
Fișier	schimb.cpp	Dimensiune	487 B
Data încărcării	10 Iunie 2026, 19:46	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

schimb.cpp:5:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type
    5 | ifstream cin("schimb.in");
      |             ^
schimb.cpp:6:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type
    6 | ofstream cout("schimb.out");
      |              ^
schimb.cpp: In function ‘int main()’:
schimb.cpp:11:5: error: reference to ‘cin’ is ambiguous
   11 |     cin>>n>>k>>p;
      |     ^~~
In file included from schimb.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
schimb.cpp:5:10: note:                 ‘<typeprefixerror>cin’
    5 | ifstream cin("schimb.in");
      |          ^~~
schimb.cpp:12:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   12 |     for(int i=1;i<=n;i++)
      |                 ~^~~
schimb.cpp:14:6: error: reference to ‘cin’ is ambiguous
   14 |      cin>>s;
      |      ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
schimb.cpp:5:10: note:                 ‘<typeprefixerror>cin’
    5 | ifstream cin("schimb.in");
      |          ^~~
schimb.cpp:15:6: error: ‘m’ was not declared in this scope
   15 |      m=strlen(s)-1;
      |      ^
schimb.cpp:18:14: error: ‘j’ was not declared in this scope
   18 |          for(j=m;j>=0;j--)
      |              ^
schimb.cpp:19:13: error: reference to ‘cout’ is ambiguous
   19 |             cout<<s[j];
      |             ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
schimb.cpp:6:10: note:                 ‘<typeprefixerror>cout’
    6 | ofstream cout("schimb.out");
      |          ^~~~
schimb.cpp:18:10: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   18 |          for(j=m;j>=0;j--)
      |          ^~~
schimb.cpp:20:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   20 |             cout<<endl;
      |             ^~~~
schimb.cpp:20:13: error: reference to ‘cout’ is ambiguous
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
schimb.cpp:6:10: note:                 ‘<typeprefixerror>cout’
    6 | ofstream cout("schimb.out");
      |          ^~~~
schimb.cpp:24:12: error: ‘h’ was not declared in this scope
   24 |          s[h-1]='a'+(p-1);
      |            ^
schimb.cpp:25:10: error: reference to ‘cout’ is ambiguous
   25 |          cout<<s;
      |          ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
schimb.cpp:6:10: note:                 ‘<typeprefixerror>cout’
    6 | ofstream cout("schimb.out");
      |          ^~~~

Cum funcționează evaluarea?