Compilare: main.cpp: In function 'int main()': main.cpp:13:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else fout<<0; fout<<'\n'; ^~~~ main.cpp:13:23: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' else fout<<0; fout<<'\n'; ^~~~