human
Find Four points such that they form a square whose sides are parallel to x and y axes | find the largest square.
map to store which points exist.
mark the available points.
a nested loop to choose the opposite corners of square.
remove the chosen point.
remove the chosen point.
check if the other two points exist.
if the square is largest then store it.
add the removed point.
add the removed point.
display the largest square.
Driver code.
given points.
find the largest square"
Solution in Python:
assistant
#Here is code to find Four points such that they form a square whose sides are parallel to x and y axes and the other steps required.
 def findLargestSquare ( points , n ) :
	m = dict ( )
	for i in range ( n ) :
		m [ ( points [ i ] [ 0 ] , points [ i ] [ 1 ] ) ] = m . get ( ( points [ i ] [ 0 ] , points [ i ] [ 1 ] ) , 0 ) + 1
	side = - 1
	x = - 1
	y = - 1
	for i in range ( n ) :
		m [ ( points [ i ] [ 0 ] , points [ i ] [ 1 ] ) ] -= 1
		for j in range ( n ) :
			m [ ( points [ j ] [ 0 ] , points [ j ] [ 1 ] ) ] -= 1
			if ( i != j and ( points [ i ] [ 0 ] - points [ j ] [ 0 ] ) == ( points [ i ] [ 1 ] - points [ j ] [ 1 ] ) ) :
				if ( m [ ( points [ i ] [ 0 ] , points [ j ] [ 1 ] ) ] > 0 and m [ ( points [ j ] [ 0 ] , points [ i ] [ 1 ] ) ] > 0 ) :
					if ( side < abs ( points [ i ] [ 0 ] - points [ j ] [ 0 ] ) or ( side == abs ( points [ i ] [ 0 ] - points [ j ] [ 0 ] ) and ( ( points [ i ] [ 0 ] * points [ i ] [ 0 ] + points [ i ] [ 1 ] * points [ i ] [ 1 ] ) < ( x * x + y * y ) ) ) ) :
						x = points [ i ] [ 0 ]
						y = points [ i ] [ 1 ]
						side = abs ( points [ i ] [ 0 ] - points [ j ] [ 0 ] )
			m [ ( points [ j ] [ 0 ] , points [ j ] [ 1 ] ) ] += 1
		m [ ( points [ i ] [ 0 ] , points [ i ] [ 1 ] ) ] += 1
	if ( side != - 1 ) :
		print ( " Side ▁ of ▁ the ▁ square ▁ is ▁ : ▁ " , side , " , points of the square are " , x , " ,   " , y , " ▁ " , ( x + side ) , " , ▁ " , y , " ▁ " , ( x ) , " , ▁ " , ( y + side ) , " ▁ " , ( x + side ) , " , ▁ " , ( y + side ) )
	else :
		print ( " No ▁ such ▁ square " )
n = 6
points = [ [ 1 , 1 ] , [ 4 , 4 ] , [ 3 , 4 ] , [ 4 , 3 ] , [ 1 , 4 ] , [ 4 , 1 ] ]
findLargestSquare ( points , n )