Eroare de compilare: main.cpp: In function 'void insertion_sort(std::vector<int>&, int&)': main.cpp:7:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 7 | for(int i = 1; i < v.size(); i++){ | ~~^~~~~~~~~~ main.cpp: In function 'void count_sort(std::vector<int>&, int&)': main.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0; i < v.size(); i++){ | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:51:7: error: invalid use of non-static member function 'void std::basic_ifstream<_CharT, _Traits>::close() [with _CharT = char; _Traits = std::char_traits<char>]' 51 | f.close; | ~~^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:70, from main.cpp:1: /usr/include/c++/10/fstream:730:7: note: declared here 730 | close() | ^~~~~ Non zero exit status: 1