Eroare de compilare: main.cpp:15:7: error: 'int index' redeclared as different kind of symbol int i,index,j,n,m; ^~~~~ In file included from /usr/include/c++/6/cstring:42:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:48, from main.cpp:1: /usr/include/string.h:477:1: note: previous declaration 'const char* index(const char*, int)' index (const char *__s, int __c) __THROW ^~~~~ main.cpp: In function 'int main()': main.cpp:31:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<vapoare.size(); j++) ~^~~~~~~~~~~~~~~ main.cpp:36:27: error: overloaded function with no contextual type information for(index=j; index>0; index--) ^ main.cpp:36:35: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator>' for(index=j; index>0; index--) ~~~~~^~ main.cpp:36:44: error: no post-decrement operator for type for(index=j; index>0; index--) ^~ main.cpp:37:37: error: invalid operands of types '<unresolved overloaded function type>' and 'int' to binary 'operator-' if(vapoare[index-1].dist > vapoare[index].dist) ~~~~~^~ main.cpp:37:55: error: no match for 'operator[]' (operand types are 'std::vector<date>' and '<unresolved overloaded function type>') if(vapoare[index-1].dist > vapoare[index].dist) ^ In file included from /usr/include/c++/6/vector:64:0, from /usr/include/c++/6/queue:61, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:86, from main.cpp:1: /usr/include/c++/6/bits/stl_vector.h:780:7: note: candidate: std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = date; _Alloc = std::allocator<date>; std::vector<_Tp, _Alloc>::reference = date&; std::vector<_Tp, _Alloc>::size_type = long unsigned int] operator[](size_type __n) _GLIBCXX_NOEXCEPT ^~~~~~~~ /usr/include/c++/6/bits/stl_vector.h:780:7: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<date>::size_type {aka long unsigned int}' /usr/include/c++/6/bits/stl_vector.h:795:7: note: candidate: std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = date; _Alloc = std::allocator<date>; std::vector<_Tp, _Alloc>::const_reference = const date&; std::vector<_Tp, _Alloc>::size_type = long unsigned int] operator[](size_type __n) const _GLIBCXX_NOEXCEPT ^~~~~~~~ /usr/include/c++/6/bits/stl_vector.h:795:7: note: no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::vector<date>::size_type {aka long unsigned int}' main.cpp:39:37: error: no match for 'operator[]' (operand types are 'std::vector<date>' and '<unresolved overloaded function type>') swap(vapoare[index],vapoare[index-1]); ^ In file included from /usr/include/c++/6/vector:64:0, from /usr/include/c++/6/queue:61, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:86, from main.cpp:1: /usr/include/c++/6/bits/stl_vector.h:780:7: note: candidate: std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = date; _Alloc = std::allocator<date>; std::vector<_Tp, _Alloc>::reference = date&; std::vector<_Tp, _Alloc>::size_type = long unsigned int] operator[](size_type __n) _GLIBCXX_NOEXCEPT ^~~~~~~~ Non zero exit status: 1