Compilare: main.cpp: In function 'int main()': main.cpp:60:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for (int i = 0; i < global_lanturi.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:61:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | if (i == global_lanturi.size() -1 || global_lanturi[i + 1].size() > global_lanturi[i].size()) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:77:16: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | if (count[i] == global_lanturi.size())