Compilare: user.cpp: In function ‘int main()’: user.cpp:62:21: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for (int i=sol.size()-1; i>=0; --i) ^~~ user.cpp:63:41: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ g<<sol[i]<<' '; g<<'\n'; ^