Compilare: main.cpp: In function 'void solve(int)': main.cpp:25:21: warning: comparison of integer expressions of different signedness: 'std::set<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 25 | if(myset.size() == k) | ~~~~~~~~~~~~~^~~~ main.cpp:39:21: warning: comparison of integer expressions of different signedness: 'std::set<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 39 | if(myset.size() == k) | ~~~~~~~~~~~~~^~~~ main.cpp: In function 'int main()': main.cpp:60:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(int i = 0; i < curr.size(); i ++) | ~~^~~~~~~~~~~~~