Rezumat problemă

SecvK

#134

Se dă un șir cu n numere naturale și un număr k. Să se determine o secvență de elemente de lungime k cu suma elementelor maximă.

Fișiere Candale Silviu (silviu) dificilă

Clasa 9 Tablouri unidimensionale (vectori) Probleme cu secvențe Sume parțiale

Rezolvă

Detalii

Problema	SecvK	Operații I/O	secvk.in/secvk.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64289374	Utilizator	Ungureanu Ruxandra (ruxandramaria11)
Fișier	secvk.cpp	Dimensiune	350 B
Data încărcării	28 Aprilie 2026, 10:29	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

secvk.cpp:3:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type
    3 | ifstream cin("secvk.in");
      |             ^
secvk.cpp:4:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type
    4 | ofstream cout("secvk.out");
      |              ^
secvk.cpp: In function ‘int main()’:
secvk.cpp:8:1: error: reference to ‘cin’ is ambiguous
    8 | cin>>n>>k;
      | ^~~
In file included from secvk.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
secvk.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("secvk.in");
      |          ^~~
secvk.cpp:9:5: error: ‘i’ was not declared in this scope
    9 | for(i=1;i<=n;i++)
      |     ^
secvk.cpp:11:1: error: reference to ‘cin’ is ambiguous
   11 | cin>>v[i];
      | ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
secvk.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("secvk.in");
      |          ^~~
secvk.cpp:12:1: error: ‘s’ was not declared in this scope
   12 | s[i]=s[i+1]+v[i];
      | ^
secvk.cpp:14:5: error: ‘i’ was not declared in this scope
   14 | for(i=k;i<=n;i++)
      |     ^
secvk.cpp:15:4: error: ‘s’ was not declared in this scope
   15 | if(s[i]-s[i-k]>max)
      |    ^
secvk.cpp:15:16: error: reference to ‘max’ is ambiguous
   15 | if(s[i]-s[i-k]>max)
      |                ^~~
In file included from /usr/include/c++/13/string:51,
                 from /usr/include/c++/13/bits/locale_classes.h:40,
                 from /usr/include/c++/13/bits/ios_base.h:41,
                 from /usr/include/c++/13/ios:44,
                 from /usr/include/c++/13/ostream:40,
                 from /usr/include/c++/13/iostream:41:
/usr/include/c++/13/bits/stl_algobase.h:303:5: note: candidates are: ‘template<class _Tp, class _Compare> const _Tp& std::max(const _Tp&, const _Tp&, _Compare)’
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:257:5: note:                 ‘template<class _Tp> const _Tp& std::max(const _Tp&, const _Tp&)’
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
secvk.cpp:5:9: note:                 ‘int max’
    5 | int n,k,max,v[10001][10001],st,dr;
      |         ^~~
secvk.cpp:17:1: error: reference to ‘max’ is ambiguous
   17 | max=s[i]-s[i-k];
      | ^~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note: candidates are: ‘template<class _Tp, class _Compare> const _Tp& std::max(const _Tp&, const _Tp&, _Compare)’
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:257:5: note:                 ‘template<class _Tp> const _Tp& std::max(const _Tp&, const _Tp&)’
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
secvk.cpp:5:9: note:                 ‘int max’
    5 | int n,k,max,v[10001][10001],st,dr;
      |         ^~~
secvk.cpp:21:5: error: ‘i’ was not declared in this scope
   21 | for(i=st;i<=dr;i++)
      |     ^
secvk.cpp:22:1: error: reference to ‘cout’ is ambiguous
   22 | cout<<v[i]<<" ";
      | ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
secvk.cpp:4:10: note:                 ‘<typeprefixerror>cout’
    4 | ofstream cout("secvk.out");
      |          ^~~~

Cum funcționează evaluarea?