import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
sys.setrecursionlimit(10**7)
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

def sqrt(x):
    ok = 0
    ng = 10**12
    while ng-ok>1:
        d = (ok+ng)//2
        if d*d<=x:
            ok = d
        else:
            ng = d
    return ok

t = ni()
for i in range(t):
    print(sqrt(ni()))