Rezumat problemă

SumaPare2

#767

Se dă o matrice cu n linii şi m coloane şi elemente numere naturale. Determinați suma valorilor pare din matrice.

Consola Candale Silviu (silviu) ușoară

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor oarecare

Rezolvă

Detalii

Problema	SumaPare2	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#51238281	Utilizator	Bede Adam (Adam_2108)
Fișier	sumapare2.cpp	Dimensiune	365 B
Data încărcării	31 Mai 2024, 15:09	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

sumapare2.cpp: In function 'int main()':
sumapare2.cpp:8:14: error: ambiguous overload for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}' and 'int')
     cin>>n>>m>>m*n;

              ^
sumapare2.cpp:8:14: note: candidates are:
In file included from /usr/include/c++/4.8/iostream:40:0,
                 from sumapare2.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 'int' 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 'int' 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 'int' to 'std::ios_base& (*)(std::ios_base&)'
/usr/include/c++/4.8/istream:259:7: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>] <near match>
       operator>>(__streambuf_type* __sb);
       ^
/usr/include/c++/4.8/istream:259:7: note:   no known conversion for argument 1 from 'int' to 'std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}'
sumapare2.cpp:10:10: error: 'i' was not declared in this scope
      for(i=1;i<=n;i++)

          ^
sumapare2.cpp:11:12: error: 'j' was not declared in this scope
        for(j=1;j<=m;j++)

            ^
sumapare2.cpp:14:9: error: 'i' was not declared in this scope
     for(i=1;i<=n;i++)

         ^
sumapare2.cpp:15:13: error: 'j' was not declared in this scope
         for(j=1;j<=m;j++)

             ^
sumapare2.cpp:25:5: error: expected ';' before 'return'
     return 0;

     ^
sumapare2.cpp:25:13: warning: statement has no effect [-Wunused-value]
     return 0;

             ^
sumapare2.cpp:6:9: warning: unused variable 's' [-Wunused-variable]
     int s=0, n, m, a[100][100], S;

         ^
sumapare2.cpp:6:33: warning: unused variable 'S' [-Wunused-variable]
     int s=0, n, m, a[100][100], S;

                                 ^

Cum funcționează evaluarea?