#768
Se dă o matrice cu n linii şi m coloane şi elemente numere naturale. Determinați suma valorilor pare distincte din matrice. Dacă o valoare pară apare în matrice de mai multe ori, se va aduna o singură dată.
| Problema | SumaPare3 | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64543224 | Utilizator | |
| Fișier | sumapare3.cpp | Dimensiune | 300 B |
| Data încărcării | 13 Mai 2026, 12:44 | Scor/rezultat | Eroare de compilare |
sumapare3.cpp: In function ‘int main()’: sumapare3.cpp:11:16: error: no match for ‘operator>>’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘int’) 11 | cin>>a[i][j]%2==0; | ~~~^~~~~~~~~~~ | | | | | int | std::istream {aka std::basic_istream<char>} In file included from /usr/include/c++/13/iostream:42, from sumapare3.cpp:1: /usr/include/c++/13/istream:325:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 325 | operator>>(void*& __p) | ^~~~~~~~ /usr/include/c++/13/istream:325:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: invalid conversion from ‘int’ to ‘void*’ [-fpermissive] 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ | | | int sumapare3.cpp:11:25: error: cannot bind rvalue ‘(void*)((long int)(a[i][j] % 2))’ to ‘void*&’ /usr/include/c++/13/istream:224:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 224 | operator>>(long double& __f) | ^~~~~~~~ /usr/include/c++/13/istream:224:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘long double&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:220:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 220 | operator>>(double& __f) | ^~~~~~~~ /usr/include/c++/13/istream:220:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘double&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:216:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 216 | operator>>(float& __f) | ^~~~~~~~ /usr/include/c++/13/istream:216:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘float&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:201:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 201 | operator>>(unsigned long long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:201:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘long long unsigned int&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:197:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 197 | operator>>(long long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:197:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘long long int&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:192:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 192 | operator>>(unsigned long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:192:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘long unsigned int&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:188:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 188 | operator>>(long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:188:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘long int&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:184:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 184 | operator>>(unsigned int& __n) | ^~~~~~~~ /usr/include/c++/13/istream:184:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘unsigned int&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:181:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]’ (near match) 181 | operator>>(int& __n); | ^~~~~~~~ /usr/include/c++/13/istream:181:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘int&’ to an rvalue of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:177:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 177 | operator>>(unsigned short& __n) | ^~~~~~~~ /usr/include/c++/13/istream:177:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘short unsigned int&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:174:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]’ (near match) 174 | operator>>(short& __n); | ^~~~~~~~ /usr/include/c++/13/istream:174:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘short int&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:170:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 170 | operator>>(bool& __n) | ^~~~~~~~ /usr/include/c++/13/istream:170:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: cannot bind non-const lvalue reference of type ‘bool&’ to a value of type ‘int’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:122:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match) 122 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ^~~~~~~~ /usr/include/c++/13/istream:122:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: invalid conversion from ‘int’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)’ {aka ‘std::basic_istream<char>& (*)(std::basic_istream<char>&)’} [-fpermissive] 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ | | | int /usr/include/c++/13/istream:126:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]’ (near match) 126 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/13/istream:126:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: invalid conversion from ‘int’ to ‘std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)’ {aka ‘std::basic_ios<char>& (*)(std::basic_ios<char>&)’} [-fpermissive] 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ | | | int /usr/include/c++/13/istream:133:7: note: candidate: ‘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>; __istream_type = std::basic_istream<char>]’ (near match) 133 | operator>>(ios_base& (*__pf)(ios_base&)) | ^~~~~~~~ /usr/include/c++/13/istream:133:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: invalid conversion from ‘int’ to ‘std::ios_base& (*)(std::ios_base&)’ [-fpermissive] 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ | | | int /usr/include/c++/13/istream:349:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]’ (near match) 349 | operator>>(__streambuf_type* __sb); | ^~~~~~~~ /usr/include/c++/13/istream:349:7: note: conversion of argument 1 would be ill-formed: sumapare3.cpp:11:25: error: invalid conversion from ‘int’ to ‘std::basic_istream<char>::__streambuf_type*’ {aka ‘std::basic_streambuf<char>*’} [-fpermissive] 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ | | | int sumapare3.cpp:11:16: note: candidate: ‘operator>>(int, int)’ (built-in) 11 | cin>>a[i][j]%2==0; | ~~~^~~~~~~~~~~ sumapare3.cpp:11:16: note: no known conversion for argument 1 from ‘std::istream’ {aka ‘std::basic_istream<char>’} to ‘int’ In file included from /usr/include/c++/13/string:55, 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.tcc:827:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 827 | operator>>(basic_istream<_CharT, _Traits>& __in, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.tcc:827:5: note: template argument deduction/substitution failed: sumapare3.cpp:11:26: note: mismatched types ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int’ 11 | cin>>a[i][j]%2==0; | ^ In file included from /usr/include/c++/13/istream:1106: /usr/include/c++/13/bits/istream.tcc:975:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)’ 975 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) | ^~~~~~~~ /usr/include/c++/13/bits/istream.tcc:975:5: note: template argument deduction/substitution failed: sumapare3.cpp:11:26: note: deduced conflicting types for parameter ‘_CharT’ (‘char’ and ‘int’) 11 | cin>>a[i][j]%2==0; | ^ /usr/include/c++/13/istream:846:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)’ 846 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c) | ^~~~~~~~ /usr/include/c++/13/istream:846:5: note: template argument deduction/substitution failed: sumapare3.cpp:11:25: note: cannot convert ‘(a[i][j] % 2)’ (type ‘int’) to type ‘unsigned char&’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:851:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)’ 851 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c) | ^~~~~~~~ /usr/include/c++/13/istream:851:5: note: template argument deduction/substitution failed: sumapare3.cpp:11:25: note: cannot convert ‘(a[i][j] % 2)’ (type ‘int’) to type ‘signed char&’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:893:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)’ 893 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) | ^~~~~~~~ /usr/include/c++/13/istream:893:5: note: template argument deduction/substitution failed: sumapare3.cpp:11:26: note: mismatched types ‘_CharT*’ and ‘int’ 11 | cin>>a[i][j]%2==0; | ^ /usr/include/c++/13/istream:936:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)’ 936 | operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s) | ^~~~~~~~ /usr/include/c++/13/istream:936:5: note: template argument deduction/substitution failed: sumapare3.cpp:11:25: note: cannot convert ‘(a[i][j] % 2)’ (type ‘int’) to type ‘unsigned char*’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:942:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)’ 942 | operator>>(basic_istream<char, _Traits>& __in, signed char* __s) | ^~~~~~~~ /usr/include/c++/13/istream:942:5: note: template argument deduction/substitution failed: sumapare3.cpp:11:25: note: cannot convert ‘(a[i][j] % 2)’ (type ‘int’) to type ‘signed char*’ 11 | cin>>a[i][j]%2==0; | ~~~~~~~^~ /usr/include/c++/13/istream:1096:5: note: candidate: ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)’ 1096 | operator>>(_Istream&& __is, _Tp&& __x) | ^~~~~~~~ /usr/include/c++/13/istream:1096:5: note: template argument deduction/substitution failed: /usr/include/c++/13/istream: In substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_istream<char>&; _Tp = int]’: sumapare3.cpp:11:26: required from here /usr/include/c++/13/istream:1096:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ sumapare3.cpp:12:7: error: expected ‘;’ before ‘a’ 12 | fr a[[i][j]]++} | ^~ | ; sumapare3.cpp:12:5: warning: statement has no effect [-Wunused-value] 12 | fr a[[i][j]]++} | ^~ sumapare3.cpp:13:14: warning: left operand of comma operator has no effect [-Wunused-value] 13 | for(i=0;i<=10000,i=i+2; | ~^~~~~~~ sumapare3.cpp:13:23: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 13 | for(i=0;i<=10000,i=i+2; | ~^~~~ sumapare3.cpp:14:5: error: expected primary-expression before ‘if’ 14 | if(fr[i]!=0)s=s+1; | ^~ sumapare3.cpp:13:28: error: expected ‘)’ before ‘if’ 13 | for(i=0;i<=10000,i=i+2; | ~ ^ | ) 14 | if(fr[i]!=0)s=s+1; | ~~ sumapare3.cpp:14:17: error: ‘s’ was not declared in this scope 14 | if(fr[i]!=0)s=s+1; | ^ sumapare3.cpp:15:11: error: ‘s’ was not declared in this scope 15 | cout<<s; | ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema SumaPare3 face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.