/in/foo.cc: In function 'int main()':
/in/foo.cc:37:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
             for(int i=ans;i>=1;i--)printf("%d ",st[i]);printf("\n");
             ^~~
/in/foo.cc:37:56: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
             for(int i=ans;i>=1;i--)printf("%d ",st[i]);printf("\n");
                                                        ^~~~~~