Compilare: main.cpp: In function 'bool bfs()': main.cpp:40:27: warning: overflow in conversion from 'long long int' to 'int' changes value from '100000000000000000' to '1569325056' [-Woverflow] 40 | p[i] = -1, d[i] = inf, cg[i] = 0, pe[i] = -1; | ^~~ main.cpp:47:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for ( int id = 0; id < e.size(); ++id ) | ~~~^~~~~~~~~~