Rezumat problemă

OrdLin

#771

Se dă o matrice cu n linii şi m coloane şi elemente numere naturale. Să se ordoneze liniile matricei crescător după suma elementelor.

Consola Candale Silviu (silviu) medie

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor oarecare

Rezolvă

Detalii

Problema	OrdLin	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64675718	Utilizator	Grigore David Valentin (Skillz_Bum)
Fișier	ordlin.cpp	Dimensiune	654 B
Data încărcării	21 Mai 2026, 23:30	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

ordlin.cpp: In function ‘int main()’:
ordlin.cpp:6:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    6 |     cin>>n>>m;
      |     ^~~
      |     std::cin
In file included from ordlin.cpp:1:
/usr/include/c++/13/iostream:62:18: note: ‘std::cin’ declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
ordlin.cpp:11:6: error: invalid types ‘int[int]’ for array subscript
   11 |     S[i] = 0;
      |      ^
ordlin.cpp:13:6: error: invalid types ‘int[int]’ for array subscript
   13 |     S[i] = S[i] + a[i][j];
      |      ^
ordlin.cpp:13:13: error: invalid types ‘int[int]’ for array subscript
   13 |     S[i] = S[i] + a[i][j];
      |             ^
ordlin.cpp:19:9: error: invalid types ‘int[int]’ for array subscript
   19 |     if(S[i] > S[i + 1]) {
      |         ^
ordlin.cpp:19:16: error: invalid types ‘int[int]’ for array subscript
   19 |     if(S[i] > S[i + 1]) {
      |                ^
ordlin.cpp:20:11: error: invalid types ‘int[int]’ for array subscript
   20 |     swap(S[i],S[i+1])
      |           ^
ordlin.cpp:20:16: error: invalid types ‘int[int]’ for array subscript
   20 |     swap(S[i],S[i+1])
      |                ^
ordlin.cpp:20:5: error: ‘swap’ was not declared in this scope
   20 |     swap(S[i],S[i+1])
      |     ^~~~
ordlin.cpp:20:5: note: suggested alternatives:
In file included from /usr/include/c++/13/string:54,
                 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/basic_string.h:3994:5: note:   ‘std::swap’
 3994 |     swap(basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~
In file included from /usr/include/c++/13/bits/exception_ptr.h:41,
                 from /usr/include/c++/13/exception:164,
                 from /usr/include/c++/13/ios:41:
/usr/include/c++/13/bits/move.h:189:5: note:   ‘std::swap’
  189 |     swap(_Tp& __a, _Tp& __b)
      |     ^~~~
/usr/include/c++/13/bits/exception_ptr.h:230:5: note:   ‘std::__exception_ptr::swap’
  230 |     swap(exception_ptr& __lhs, exception_ptr& __rhs)
      |     ^~~~
ordlin.cpp:21:22: warning: statement has no effect [-Wunused-value]
   21 |     for(int j = 1; j <= m; j++){
      |                    ~~^~~~
ordlin.cpp:21:31: error: expected ‘;’ before ‘)’ token
   21 |     for(int j = 1; j <= m; j++){
      |                               ^
      |                               ;
ordlin.cpp:29:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   29 |     cout << a[i][j] << " ";
      |     ^~~~
      |     std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
ordlin.cpp:30:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   30 |     cout << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
ordlin.cpp:30:13: error: ‘endl’ was not declared in this scope; did you mean ‘std::endl’?
   30 |     cout << endl;
      |             ^~~~
      |             std::endl
/usr/include/c++/13/ostream:735:5: note: ‘std::endl’ declared here
  735 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
ordlin.cpp:33:2: error: expected ‘}’ at end of input
   33 | }
      |  ^
ordlin.cpp:4:1: note: to match this ‘{’
    4 | {
      | ^
ordlin.cpp:5:34: warning: unused variable ‘i’ [-Wunused-variable]
    5 |     int a[105][105],n,m,ok=1,S=0,i,j;
      |                                  ^

Cum funcționează evaluarea?