Compilare: main.cpp: In function 'void euler(int)': main.cpp:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:37:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else k++;sol[k]=nod; ^~~~ main.cpp:37:14: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' else k++;sol[k]=nod; ^~~