Spiraali

rivi = input()
rivi = rivi.split(" ")
n = int(rivi[0])
t = int(rivi[1])
tulos = ""

for i in range(1, t+1):
    rivi = input()
    rivi = rivi.split(" ")
    y = int(rivi[0])
    x = int(rivi[1])

    k = min(y, x, n+1-y, n+1-x)
    ulkosolut = 4*(k-1)*(n-(k-1))
    # TODO: SISÄSOLUT
    
    y = y-(k-1)
    x = x-(k-1)
    nn = n-2*(k-1)

    if x == 1 and y < nn:
        sisäsolut = y
    elif y == nn and x < nn:
        sisäsolut = (nn-1)+x
    elif x == nn and y > 1:
        sisäsolut = 2*(nn-1)+(nn+1)-y
    else:
        sisäsolut = 3*(nn-1)+(nn+1)-x

    tulos += str(ulkosolut+sisäsolut) + "\n"



print(tulos)

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED