Compilare: main.cpp: In function 'int main()': main.cpp:98:58: warning: narrowing conversion of 'arrivalStation' from 'int' to 'short int' inside { } [-Wnarrowing] Train t = Train{arrivalStation, arrivalTime, cost}; ^ main.cpp:98:58: warning: narrowing conversion of 'cost' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:106:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j < stations[i].times.size(); j++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:107:100: warning: narrowing conversion of 'i' from 'int' to 'short int' inside { } [-Wnarrowing] stations[i].trains[stations[i].times[j - 1]].push_back(Train{i, stations[i].times[j], 0}); ^