t = int(input())

def nibutan(l,r):
    while abs(r-l) > 1:
        mid = (l+r)//2
        if mid**2 <= n:
            l = mid
        else:
            r = mid
            
    return l

for _ in range(t):
    n = int(input())
    left,right = 0,10**9
    l = nibutan(left,right)
    for i in range(l+10,l-10,-1):
        if i**2 <= n:
            print(i)
            break