Compilare: main.cpp: In function 'void dfs(int)': main.cpp:12:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:13:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(viz[v[nod][i]]==0) ^~ main.cpp:15:10: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' sortare[++t]=nod; ^~~~~~~ main.cpp: In function 'int main()': main.cpp:26:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=t;i>=1;i--) ^~~ main.cpp:28:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~