Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:46:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(short i = 0; i < v[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:110:4: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:113:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' return 0; ^~~~~~