Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:18:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(it!=tata) ^ main.cpp: In function 'int main()': main.cpp:63:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:64:19: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<i<<' ';g<<'\n'; ^ main.cpp:65:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:66:24: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<niv[i]<<' ';g<<'\n'; ^