T = int(input())
for i in range(T):
    N = int(input())
    def is_ok(arg):
        return N >= arg**2

    def meguru_bisect(ng, ok):
        while (abs(ok - ng) > 1):
            mid = (ok + ng) // 2
            if is_ok(mid):
                ok = mid
            else:
                ng = mid
        return ok
    print(meguru_bisect(10**9+1,0))