Compilare: main.cpp: In function 'void afisare()': main.cpp:63:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 63 | if(cnc[i].size()>mx) | ~~~~~~~~~~~~~^~~ In file included from /usr/include/c++/12.2.1/vector:64, from main.cpp:2: In member function 'constexpr std::vector<_Tp, _Alloc>::size_type std::vector<_Tp, _Alloc>::size() const [with _Tp = int; _Alloc = std::allocator<int>]', inlined from 'void afisare()' at main.cpp:72:37: /usr/include/c++/12.2.1/bits/stl_vector.h:988:66: warning: 'ind' may be used uninitialized [-Wmaybe-uninitialized] 988 | { return size_type(this->_M_impl._M_finish - this->_M_impl._M_start); } | ~~~~~~~~~~~~~~^~~~~~~~ main.cpp: In function 'void afisare()': main.cpp:60:11: note: 'ind' was declared here 60 | int mx=0,ind; | ^~~