Rezumat problemă

cb1

#4646

Se dă un șir ordonat crescător a1, a2, …, an de numere întregi. Asupra șirului putem efectua trei tipuri de interogări:

• 1 x – Câte numere din șir sunt mai mici sau egale decât x?
• 2 x – Câte numere din șir sunt mai strict mai mari decât x?
• 3 x – De câte ori apare în șir valoarea x?

Să se răspundă la Q interogări.

Folclorul informatic

Fișiere Pracsiu Dan (dnprx) Dan Pracsiu medie

Clasa 9 Tablouri unidimensionale (vectori) Căutare binară Cautare binara

Rezolvă

Detalii

Problema	cb1	Operații I/O	cb1.in/cb1.out
Limita timp	0.4 secunde	Limita memorie	Total: 4 MB / Stivă 2 MB
Id soluție	#57081365	Utilizator	cristi nonea (Cristiancosmin)
Fișier	cb1.cpp	Dimensiune	1.67 KB
Data încărcării	15 Martie 2025, 09:33	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

cb1.cpp:5:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("cb1.in");

             ^
cb1.cpp:6:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("cb1.out");

              ^
cb1.cpp: In function 'int cb1(int)':
cb1.cpp:10:13: error: 'i' was not declared in this scope
     if(x<=v[i]) 

             ^
cb1.cpp: In function 'int cb3(int)':
cb1.cpp:53:5: error: 'st' was not declared in this scope
     st, dr,mij,pozp,pozu;

     ^
cb1.cpp:53:9: error: 'dr' was not declared in this scope
     st, dr,mij,pozp,pozu;

         ^
cb1.cpp:53:12: error: 'mij' was not declared in this scope
     st, dr,mij,pozp,pozu;

            ^
cb1.cpp:53:16: error: 'pozp' was not declared in this scope
     st, dr,mij,pozp,pozu;

                ^
cb1.cpp:53:21: error: 'pozu' was not declared in this scope
     st, dr,mij,pozp,pozu;

                     ^
cb1.cpp:54:12: error: 'i' was not declared in this scope
     if(x<v[i])

            ^
cb1.cpp:66:13: error: 'poz' was not declared in this scope
             poz=mij;

             ^
cb1.cpp: In function 'int main()':
cb1.cpp:78:5: error: reference to 'cin' is ambiguous
     cin>>n;

     ^
cb1.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("cb1.in");

          ^
In file included from cb1.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
cb1.cpp:80:9: error: reference to 'cin' is ambiguous
         cin>>v[i];

         ^
cb1.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("cb1.in");

          ^
In file included from cb1.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
cb1.cpp:81:5: error: reference to 'cin' is ambiguous
     cin>>q;

     ^
cb1.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("cb1.in");

          ^
In file included from cb1.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
cb1.cpp:84:9: error: reference to 'cin' is ambiguous
         cin>>op>>x;

         ^
cb1.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("cb1.in");

          ^
In file included from cb1.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
cb1.cpp:86:13: error: reference to 'cout' is ambiguous
             cout<<cb1(x)<<"\n";

             ^
cb1.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("cb1.out");

          ^
In file included from cb1.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
cb1.cpp:88:13: error: reference to 'cout' is ambiguous
             cout<<cb2(x)<<"\n";

             ^
cb1.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("cb1.out");

          ^
In file included from cb1.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
cb1.cpp:98:13: error: reference to 'cout' is ambiguous
             cout<<nr<<"\n";

             ^
cb1.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("cb1.out");

          ^
In file included from cb1.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
cb1.cpp: In function 'int cb3(int)':
cb1.cpp:74:1: warning: control reaches end of non-void function [-Wreturn-type]
 }

 ^

Cum funcționează evaluarea?