async function findLISLength(a) {
  const {bisectLeft} = await import('https://cdn.jsdelivr.net/npm/d3-array@3/+esm')
  const t=[]
  for (const x of a||[]) {
    const i = bisectLeft(t,x)
    t[i]=x
  }
  return t.length
}
export default findLISLength;