def solve():
  N=int(input())
  assert(1<=N<=10**18)
  ac=1
  wa=10**9
  for i in range(100):
    k=(ac+wa)//2
    if k*k<=N:
      ac=k
    else:
      wa=k
  print(ac)
  return


def main():
  T=int(input())
  assert(1<=T<=10**4)
  for i in range(T):
    solve()
  return

main()