Compilare: main.cpp: In function 'int main()': main.cpp:13:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation] 13 | else | ^~~~ main.cpp:15:10: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else' 15 | f.close(); | ^