T = int(input())
def is_lower(x, N):
  if x ** 2 <= N:
    return True
  return False

for _ in range(T):
  N = int(input())
  ok = -1
  ng = N + 1
  while abs(ok - ng) > 1:
    mid = abs(ok + ng) // 2
    if is_lower(mid, N):
      ok = mid
    else:
      ng = mid
  print(ok)