Compilare: main.cpp: In function 'void bfs(int)': main.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0; i<g[node].size(); i++){ | ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:31:13: warning: iteration 100001 invokes undefined behavior [-Waggressive-loop-optimizations] 31 | dist[i] = INF; | ^ main.cpp:30:17: note: within this loop 30 | for(int i=0; i<=MAXN; i++){ | ^