Rezumat problemă

SortMatrixLinCol

#2877

Se dă o matrice pătratică de dimensiune n. Să se ordoneze crescător fiecare linie a matricei, apoi să se ordoneze crescător fiecare coloană a acesteia.

Consola Andrei Visalon (Prekzursil) Mirela Mlisan, Andrei Visalon medie

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice

Rezolvă

Detalii

Problema	SortMatrixLinCol	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 1 MB / Stivă 1 MB
Id soluție	#64241036	Utilizator	Robert Stamatoiu (RobertStamatoiu)
Fișier	sortmatrixlincol.cpp	Dimensiune	659 B
Data încărcării	24 Aprilie 2026, 19:20	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

sortmatrixlincol.cpp: In function ‘int main()’:
sortmatrixlincol.cpp:10:13: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
   10 |             cin>>a[i][j];
      |             ^~~
      |             std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:146,
                 from sortmatrixlincol.cpp:1:
/usr/include/c++/13/iostream:62:18: note: ‘std::cin’ declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
sortmatrixlincol.cpp:14:37: error: ‘swap’ was not declared in this scope
   14 |                 if(a[i][j]>a[i][k]) swap(a[i][j], a[i][k]);
      |                                     ^~~~
sortmatrixlincol.cpp:14:37: note: suggested alternatives:
In file included from /usr/include/c++/13/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:181:
/usr/include/c++/13/bits/regex.h:2230:5: note:   ‘std::__cxx11::swap’
 2230 |     swap(match_results<_Bi_iter, _Alloc>& __lhs,
      |     ^~~~
In file included from /usr/include/c++/13/bits/stl_pair.h:61,
                 from /usr/include/c++/13/bits/stl_algobase.h:64,
                 from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51:
/usr/include/c++/13/bits/move.h:189:5: note:   ‘std::swap’
  189 |     swap(_Tp& __a, _Tp& __b)
      |     ^~~~
In file included from /usr/include/c++/13/exception:164,
                 from /usr/include/c++/13/stdexcept:38,
                 from /usr/include/c++/13/system_error:43,
                 from /usr/include/c++/13/bits/ios_base.h:46,
                 from /usr/include/c++/13/streambuf:43,
                 from /usr/include/c++/13/bits/streambuf_iterator.h:35,
                 from /usr/include/c++/13/iterator:66,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:54:
/usr/include/c++/13/bits/exception_ptr.h:230:5: note:   ‘std::__exception_ptr::swap’
  230 |     swap(exception_ptr& __lhs, exception_ptr& __rhs)
      |     ^~~~
sortmatrixlincol.cpp:19:37: error: ‘swap’ was not declared in this scope
   19 |                 if(a[j][i]>a[k][i]) swap(a[j][i], a[k][i]);
      |                                     ^~~~
sortmatrixlincol.cpp:19:37: note: suggested alternatives:
/usr/include/c++/13/bits/regex.h:2230:5: note:   ‘std::__cxx11::swap’
 2230 |     swap(match_results<_Bi_iter, _Alloc>& __lhs,
      |     ^~~~
/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)
      |     ^~~~
sortmatrixlincol.cpp:24:13: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   24 |             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
      |                  ^~~~
sortmatrixlincol.cpp:25:9: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   25 |         cout<<"\n";
      |         ^~~~
      |         std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~

Cum funcționează evaluarea?