Compilare: main.cpp: In function 'int main()': main.cpp:36:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for (int i = 0; i < v.size(); ++i) { | ~~^~~~~~~~~~ In file included from /usr/include/c++/12.2.1/istream:39, from /usr/include/c++/12.2.1/fstream:38, from main.cpp:1: In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'int main()' at main.cpp:60:46: /usr/include/c++/12.2.1/ostream:202:25: warning: 'lungime' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'int main()': main.cpp:34:57: note: 'lungime' was declared here 34 | long long sum_max = -1e18, sum = 0, start, poz, lungime; | ^~~~~~~ main.cpp:60:41: warning: 'poz' may be used uninitialized [-Wmaybe-uninitialized] 60 | fout << sum_max << ' ' << poz + 1 << ' ' << lungime; | ^ main.cpp:34:52: note: 'poz' was declared here 34 | long long sum_max = -1e18, sum = 0, start, poz, lungime; | ^~~