Eroare de compilare: main.cpp:30:9: error: 'muchii' was not declared in this scope; did you mean 'muchie'? 30 | int crt(muchii a,muchii b) | ^~~~~~ | muchie main.cpp:30:18: error: 'muchii' was not declared in this scope; did you mean 'muchie'? 30 | int crt(muchii a,muchii b) | ^~~~~~ | muchie main.cpp:30:26: error: expression list treated as compound expression in initializer [-fpermissive] 30 | int crt(muchii a,muchii b) | ^ main.cpp:51:5: error: redefinition of 'int radacina(int)' 51 | int radacina(int k) | ^~~~~~~~ main.cpp:23:5: note: 'int radacina(int)' previously defined here 23 | int radacina(int k) | ^~~~~~~~ main.cpp: In function 'void kruskal()': main.cpp:72:21: error: 'ranguri' was not declared in this scope; did you mean 'rang'? 72 | ranguri(radacina(x[i].i),radacina(x[i].j)); | ^~~~~~~ | rang main.cpp:67:13: warning: unused variable 'aj' [-Wunused-variable] 67 | int s=0,aj,ai,l=0; | ^~ main.cpp:67:16: warning: unused variable 'ai' [-Wunused-variable] 67 | int s=0,aj,ai,l=0; | ^~ In file included from /usr/include/c++/10/bits/stl_algobase.h:71, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = muchie*; _Iterator2 = muchie*; _Compare = int]': /usr/include/c++/10/bits/stl_algo.h:82:17: required from 'void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = muchie*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<int>]' /usr/include/c++/10/bits/stl_algo.h:1924:34: required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = muchie*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<int>]' /usr/include/c++/10/bits/stl_algo.h:1958:38: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = muchie*; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<int>]' /usr/include/c++/10/bits/stl_algo.h:1974:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = muchie*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<int>]' /usr/include/c++/10/bits/stl_algo.h:4894:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = muchie*; _Compare = int]' main.cpp:88:23: required from here /usr/include/c++/10/bits/predefined_ops.h:156:30: error: expression cannot be used as a function 156 | { return bool(_M_comp(*__it1, *__it2)); } | ~~~~~~~^~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_comp_iter<_Compare>::operator()(_Value&, _Iterator) [with _Value = muchie; _Iterator = muchie*; _Compare = int]': /usr/include/c++/10/bits/stl_algo.h:1826:20: required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = muchie*; _Compare = __gnu_cxx::__ops::_Val_comp_iter<int>]' /usr/include/c++/10/bits/stl_algo.h:1854:36: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = muchie*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<int>]' /usr/include/c++/10/bits/stl_algo.h:1886:25: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = muchie*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<int>]' /usr/include/c++/10/bits/stl_algo.h:1977:31: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = muchie*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<int>]' /usr/include/c++/10/bits/stl_algo.h:4894:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = muchie*; _Compare = int]' Non zero exit status: 1