Compilare: main.cpp: In function 'int main()': main.cpp:76:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for (int i = 0; i < q.size(); i++) { | ~~^~~~~~~~~~ main.cpp:78:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | while (start<v.size()&&v[start].first <= query) { | ~~~~~^~~~~~~~~