Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:53:48: warning: narrowing conversion of 'd[nod][u.std::pair<int, int>::first]' from 'long long int' to 'int' [-Wnarrowing] 53 | q.push({u.first, d[nod][u.first]}); | ~~~~~~~~~~~~~~^ main.cpp: In function 'int main()': main.cpp:103:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for (j = 0; j < aux.size(); j++) | ~~^~~~~~~~~~~~ main.cpp:106:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for (int ind = 0; ind < aux.size(); ind++) | ~~~~^~~~~~~~~~~~