t=int(input())
for ti in range(t):
	n=int(input())
	
	r=0;
	high=n;
	low=1;
	
	if(n>1):
		high//=2;
		
		
	while(1):
		mid=low+high;
		mid//=2;
		
		if((mid*mid)==n):
			r=mid
			break;
			
		elif((mid*mid)<n and ((mid+1)*(mid+1))>n):
			r=mid;
			break;
			
		elif((mid*mid)>n):
			high=mid-1;
		else:
			low=mid+1 
	
	print(r)