Compilare: main.cpp: In function 'int32_t main()': main.cpp:108:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 1; i < 2*n; i++)out << c[l[i]] << ' '; out << '\n'; ^~~ main.cpp:108:68: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int i = 1; i < 2*n; i++)out << c[l[i]] << ' '; out << '\n'; ^~~