Compilare: main.cpp: In function 'void solve()': main.cpp:87:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for(int i = 0; i < q.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In function 'void output()': main.cpp:105:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for(int i = 0; i < ans.size(); i++) | ~~^~~~~~~~~~~~