Compilare: main.cpp: In function 'int main()': main.cpp:130:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::map<int, int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 130 | for (int i=0; i<nx.size(); i++){ | ~^~~~~~~~~~ main.cpp:135:24: warning: operation on 'indq' may be undefined [-Wsequence-point] 135 | sol[ev[indq++].ind]+=ev[indq].sgn*aib.sum(ev[indq].y1, ev[indq].y2); | ~~~~^~