Compilare: main.cpp: In function 'int main()': main.cpp:88:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for(int vecin = 0; vecin < g[x].size(); vecin++) | ~~~~~~^~~~~~~~~~~~~ main.cpp:86:17: warning: unused variable 'd' [-Wunused-variable] 86 | int d = q.top().dist; | ^