#include<stdio.h>
int main()
{
	int t;
	scanf("%d", &t);
	long long int n, min, mid, max;
	for (; t > 0; t--)
	{
		scanf("%lld", &n);
		min = -1;
		max = 1000000009;
		while (max - min > 1)
		{
			mid = (max + min) / 2;
			if (mid * mid > n)
				max = mid;
			else
				min = mid;
		}
		printf("%lld\n", min);
	}
	return 0;
}