Compilare: main.cpp: In function 'void bfs(int)': main.cpp:21:15: warning: unused variable 'i' [-Wunused-variable] 21 | int x,i; | ^ main.cpp: In function 'int main()': main.cpp:44:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 44 | for(i=0;i<n;i++) | ^~~ main.cpp:47:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 47 | bfs(s); | ^~~