Eroare de compilare: main.cpp:8:8: error: conflicting declaration 'int g' 8 | int n, g, w[NMAX], p[NMAX], dp[NMAX], ans = 0; | ^ main.cpp:5:10: note: previous declaration as 'std::ofstream g' 5 | ofstream g("rucsac.out"); | ^ main.cpp: In function 'void solve()': main.cpp:14:20: error: no match for 'operator-' (operand types are 'std::ofstream' {aka 'std::basic_ofstream<char>'} and 'int') 14 | for(int j=g-w[i];j>=0;--j) | ~^~~~~ | | | | | int | std::ofstream {aka std::basic_ofstream<char>} main.cpp:14:20: note: candidate: 'operator-(int, int)' (built-in) 14 | for(int j=g-w[i];j>=0;--j) | ~^~~~~ main.cpp:14:20: note: no known conversion for argument 1 from 'std::ofstream' {aka 'std::basic_ofstream<char>'} to 'int' In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/istream:38, 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/bits/stl_iterator.h:525:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 525 | operator-(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:525:5: note: template argument deduction/substitution failed: main.cpp:14:24: note: 'std::ofstream' {aka 'std::basic_ofstream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>' 14 | for(int j=g-w[i];j>=0;--j) | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/istream:38, 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/bits/stl_iterator.h:1566:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1566 | operator-(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1566:5: note: template argument deduction/substitution failed: main.cpp:14:24: note: 'std::ofstream' {aka 'std::basic_ofstream<char>'} is not derived from 'const std::move_iterator<_IteratorL>' 14 | for(int j=g-w[i];j>=0;--j) | ^ In file included from /usr/include/c++/10/ccomplex:39, Non zero exit status: 1