Compilare: main.cpp: In function 'void bfs(int)': main.cpp:22:9: warning: iteration 100000 invokes undefined behavior [-Waggressive-loop-optimizations] d[i]=-1; ~~~~^~~ main.cpp:20:14: note: within this loop for(i=1;i<=100001;i++) ~^~~~~~~~ main.cpp:26:7: warning: array subscript is below array bounds [-Warray-bounds] q[dr]=s; ~~~~^ main.cpp: In function 'int main()': main.cpp:26:7: warning: array subscript is below array bounds [-Warray-bounds] q[dr]=s; ~~~~^