Rezumat problemă

Diagonale

#313

Se dă o matrice cu n linii și n coloane și elemente numere naturale. Calculați diferența în valoare absolută dintre sumele elementelor de pe cele două diagonale.

Consola Candale Silviu (silviu) ușoară

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice

Rezolvă

Detalii

Problema	Diagonale	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#62619226	Utilizator	Marin Catalin (Katalin_Talent)
Fișier	diagonale.cpp	Dimensiune	327 B
Data încărcării	27 Ianuarie 2026, 19:41	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

diagonale.cpp: In function 'int main()':
diagonale.cpp:12:21: warning: capture of variable 'n' with non-automatic storage duration [enabled by default]
      cin>>a[i][i]>>[n - i + 1];

                     ^
diagonale.cpp:4:5: note: 'int n' declared here
 int n,i,j,a[101][101];

     ^
diagonale.cpp:12:23: error: expected ',' before '-' token
      cin>>a[i][i]>>[n - i + 1];

                       ^
diagonale.cpp:12:23: error: expected identifier before '-' token
diagonale.cpp: In lambda function:
diagonale.cpp:12:31: error: expected '{' before ';' token
      cin>>a[i][i]>>[n - i + 1];

                               ^
diagonale.cpp: In function 'int main()':
diagonale.cpp:12:18: error: ambiguous overload for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}' and 'main()::__lambda0')
      cin>>a[i][i]>>[n - i + 1];

                  ^
diagonale.cpp:12:18: note: candidates are:
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from diagonale.cpp:1:
/usr/include/c++/4.8/istream:120:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(__istream_type& (*__pf)(__istream_type&))
       ^
/usr/include/c++/4.8/istream:120:7: note:   no known conversion for argument 1 from 'main()::__lambda0' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}'
/usr/include/c++/4.8/istream:124:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>] <near match>
       operator>>(__ios_type& (*__pf)(__ios_type&))
       ^
/usr/include/c++/4.8/istream:124:7: note:   no known conversion for argument 1 from 'main()::__lambda0' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}'
/usr/include/c++/4.8/istream:131:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>] <near match>
       operator>>(ios_base& (*__pf)(ios_base&))
       ^
/usr/include/c++/4.8/istream:131:7: note:   no known conversion for argument 1 from 'main()::__lambda0' to 'std::ios_base& (*)(std::ios_base&)'
diagonale.cpp:13:9: error: 'd' was not declared in this scope
         d=a[i][i];

         ^
diagonale.cpp:14:9: error: 'd2' was not declared in this scope
         d2=[n - i + 1];

         ^
diagonale.cpp:14:13: warning: capture of variable 'n' with non-automatic storage duration [enabled by default]
         d2=[n - i + 1];

             ^
diagonale.cpp:4:5: note: 'int n' declared here
 int n,i,j,a[101][101];

     ^
diagonale.cpp:14:15: error: expected ',' before '-' token
         d2=[n - i + 1];

               ^
diagonale.cpp:14:15: error: expected identifier before '-' token
diagonale.cpp: In lambda function:
diagonale.cpp:14:23: error: expected '{' before ';' token
         d2=[n - i + 1];

                       ^

Cum funcționează evaluarea?