Spiraali

n, t = input().split()
n = int(n)
t = int(t)

puolet = int(n/2)

list = []

for i in range (t):
	y1, x1 = input().split()
	y1 = int(y1)
	x1 = int(x1)
	list.append ([y1,x1])


for q in range (len(list)):
	y = list[q][0]
	x = list[q][1]
	kierros = 0
	
	summa = int(0)
	
	if (y <= int(n/2) and x <= int(n/2)):
		ky = (y-1)
		kx = (x-1)
		
		if (ky < kx):
			kierros = ky
		else:
			kierros = kx
		
		if (x==1+kierros):
			summa = 0*(n-kierros*2)+(y-kierros)
		else:
			summa =	3*(n-kierros*2) -2 + (n-x-kierros)
	
	
	elif (y > int(n/2) and x <= int(n/2)):
		ky = (n-y)
		kx = x-1
		
		if (ky < kx):
			kierros = ky
		else:
			kierros = kx
		
		if (x==1+kierros):
			summa = 0*(n-kierros*2)+(y-kierros)
		else:
			summa = 1*(n-kierros*2) -(1+kierros) + x
	 
	 
	elif (y > int(n/2) and x > int(n/2)):
		ky = (n-y)
		kx = (n-x)
		
		if (ky < kx):
			kierros = ky
		else:
			kierros = kx
		
		if (x==n-kierros):
			summa = 2*(n-kierros*2)-1+(n-y-kierros)
		else:
			summa =	 1*(n-kierros*2) -(1+kierros) + x
	else:
		ky = (y-1)
		kx = (n-x)
		
		if (ky < kx):
			kierros = ky
		else:
			kierros = kx
		
		if (x==n-kierros):
			summa = 2*(n-kierros*2)-1+(n-y-kierros)
		else:
			summa = 3*(n-kierros*2) -2 + (n-x-kierros)

	if (kierros > 0):
		summa += int((kierros) * ((4+8*((puolet)-(kierros))) + (4+8*((puolet)-1))) // 2)
	
	print(summa)

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED