Compilare: main.cpp: In function 'int main()': main.cpp:31:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int i=0;i<v[hs].size();i++) | ~^~~~~~~~~~~~~ main.cpp:43:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for(int i=0;i<v[hs].size();i++) | ~^~~~~~~~~~~~~