Compilare: main.cpp: In function 'void back(int)': main.cpp:15:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 15 | if (sol == 1) | ^~ main.cpp:18:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 18 | fout << '\n'; | ^~~~