Eroare de compilare: main.cpp:7:8: error: conflicting declaration 'int g' 7 | int n, g, w, p; | ^ main.cpp:5:11: note: previous declaration as 'std::ofstream g' 5 | ofstream g("rucsac.out"); | ^ main.cpp: In function 'int main()': main.cpp:13:9: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'std::ofstream' {aka 'std::basic_ofstream<char>'}) 13 | f>>n>>g; | ~~~~^~~ | | | | | std::ofstream {aka std::basic_ofstream<char>} | std::basic_istream<char>::__istream_type {aka std::basic_istream<char>} main.cpp:13:9: note: candidate: 'operator>>(int, int)' (built-in) 13 | f>>n>>g; | ~~~~^~~ main.cpp:13:9: note: no known conversion for argument 2 from 'std::ofstream' {aka 'std::basic_ofstream<char>'} to 'int' In file included from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/10/istream:120:7: note: candidate: '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>]' 120 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ^~~~~~~~ /usr/include/c++/10/istream:120:36: note: no known conversion for argument 1 from 'std::ofstream' {aka 'std::basic_ofstream<char>'} to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} 120 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/istream:124:7: note: candidate: '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>]' 124 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/10/istream:124:32: note: no known conversion for argument 1 from 'std::ofstream' {aka 'std::basic_ofstream<char>'} to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} 124 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ /usr/include/c++/10/istream:131:7: 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>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' 131 | operator>>(ios_base& (*__pf)(ios_base&)) | ^~~~~~~~ /usr/include/c++/10/istream:131:30: note: no known conversion for argument 1 from 'std::ofstream' {aka 'std::basic_ofstream<char>'} to 'std::ios_base& (*)(std::ios_base&)' 131 | operator>>(ios_base& (*__pf)(ios_base&)) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~ /usr/include/c++/10/istream:168:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' 168 | operator>>(bool& __n) | ^~~~~~~~ /usr/include/c++/10/istream:168:24: note: no known conversion for argument 1 from 'std::ofstream' {aka 'std::basic_ofstream<char>'} to 'bool&' 168 | operator>>(bool& __n) | ~~~~~~^~~ /usr/include/c++/10/istream:172:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' 172 | operator>>(short& __n); | ^~~~~~~~ /usr/include/c++/10/istream:172:25: note: no known conversion for argument 1 from 'std::ofstream' {aka 'std::basic_ofstream<char>'} to 'short int&' Non zero exit status: 1