Compilare: main.cpp: In function 'int main()': main.cpp:34:27: warning: 'N' is used uninitialized [-Wuninitialized] 34 | vector<vector<int>>l(N+1); | ~^~ main.cpp:33:9: note: 'N' was declared here 33 | int N, M, S, x, y; | ^ main.cpp:41:8: warning: 'S' may be used uninitialized [-Wmaybe-uninitialized] 41 | bfs(S, N, l, dist); | ~~~^~~~~~~~~~~~~~~ main.cpp:33:15: note: 'S' was declared here 33 | int N, M, S, x, y; | ^ main.cpp:35:23: warning: 'M' may be used uninitialized [-Wmaybe-uninitialized] 35 | for (int i = 0; i < M; i++) { | ~~^~~ main.cpp:33:12: note: 'M' was declared here 33 | int N, M, S, x, y; | ^