Compilare: main.cpp: In function 'int main()': main.cpp:84:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:86:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' g<<v<<"\n"; ^ main.cpp:86:19: warning: 'v' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<v<<"\n"; ^~~~