/in/foo.cc: In function 'int main()':
/in/foo.cc:18:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(LL i=1;i<n2;i++)printf("%lld ",a[i]);printf("%lld",a[n2]);
     ^~~
/in/foo.cc:18:46: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
     for(LL i=1;i<n2;i++)printf("%lld ",a[i]);printf("%lld",a[n2]);
                                              ^~~~~~