Compilare: main.cpp: In function 'void BFS(int)': main.cpp:24:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[act].size(); ++i) { ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:40:6: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;++i) ^~~ main.cpp:42:6: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(i=1;i<=m;i++) { ^~~ main.cpp:48:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(ans=0;(1<<ans)<diametru;++ans); ^~~ main.cpp:49:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' out<<ans<<"\n"; ^~~