def floor_sqrt(n):
    
    y = 10**20
    
    def is_smaller(x):
        if x**2 <= n:
            return True
        return False
    
    x = 0
    while y-x>1:
        mid = (y+x)//2
        if is_smaller(mid):
            x = mid
        else:
            y = mid
    return x
    
def answer():
    n = int(input())
    print(floor_sqrt(n))
    
t = int(input())
for _ in range(t):
    answer()