Rezumat problemă

kMax

#1877

Se dă un șir cu n elemente, numere întregi, și un număr natural k ≤ n. Calculați cea mai mare sumă care poate fi obținută schimbând semnul a exact k elemente aflate pe poziții distincte din șirul dat.

Consola Candale Silviu (silviu) ușoară

Clasa 11 Metoda Greedy Probleme diverse cu metoda Greedy

Rezolvă

Detalii

Problema	kMax	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#56779552	Utilizator	Andrei Stefania (andreistefania2007_)
Fișier	kmax.cpp	Dimensiune	428 B
Data încărcării	05 Martie 2025, 16:23	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

kmax.cpp:2:7: error: expected nested-name-specifier before 'namepsace'
 using namepsace std;

       ^
kmax.cpp:2:7: error: 'namepsace' has not been declared
kmax.cpp:2:17: error: expected ';' before 'std'
 using namepsace std;

                 ^
kmax.cpp:2:17: error: 'std' does not name a type
kmax.cpp: In function 'int main()':
kmax.cpp:7:2: error: 'cin' was not declared in this scope
  cin>>n;

  ^
kmax.cpp:7:2: note: suggested alternative:
In file included from kmax.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
kmax.cpp:14:24: error: 'swap' was not declared in this scope
          swap(v[i],v[j]);

                        ^
kmax.cpp:14:24: note: suggested alternatives:
In file included from /usr/include/c++/4.8/string:52:0,
                 from /usr/include/c++/4.8/bits/locale_classes.h:40,
                 from /usr/include/c++/4.8/bits/ios_base.h:41,
                 from /usr/include/c++/4.8/ios:42,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from kmax.cpp:1:
/usr/include/c++/4.8/bits/basic_string.h:2717:5: note:   'std::swap'
     swap(basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^
In file included from /usr/include/c++/4.8/exception:152:0,
                 from /usr/include/c++/4.8/ios:39,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from kmax.cpp:1:
/usr/include/c++/4.8/bits/exception_ptr.h:160:5: note:   'std::__exception_ptr::swap'
     swap(exception_ptr& __lhs, exception_ptr& __rhs)
     ^
kmax.cpp:21:6: error: 'cout' was not declared in this scope
      cout<<s;

      ^
kmax.cpp:21:6: note: suggested alternative:
In file included from kmax.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^

Cum funcționează evaluarea?