Compilare: main.cpp: In function 'void solve(int)': main.cpp:72:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | if(max1 <= nodes.size() / 2) | ~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:81:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int i = 0; i < v[it].size(); i++) | ~~^~~~~~~~~~~~~~