Compilare: main.cpp: In function 'int main()': main.cpp:39:26: warning: comparison of integer expressions of different signedness: 'std::priority_queue<double>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 39 | if (q.size() > l[i].f) q.pop(); | ~~~~~~~~~^~~~~~~~ main.cpp:41:22: warning: comparison of integer expressions of different signedness: 'std::priority_queue<double>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 41 | if (q.size() < l[i].f) ans[i] = -1.0; | ~~~~~~~~~^~~~~~~~