import sys,random
from collections import deque
from heapq import heappush,heappop

input = lambda :sys.stdin.readline().rstrip()
mi = lambda :map(int,input().split())
li = lambda :list(mi())

for _ in range(int(input())):
    N = int(input())

    ok = 0
    ng = N+1
    while ng-ok>1:
        mid = (ok+ng)//2
        if mid*mid <= N:
            ok = mid
        else:
            ng = mid
    
    print(ok)