Spiraali

n,t = [int(x) for x in input().split()]

for a in range(t):
    y,x = [int(x) for x in input().split()]
    
    if n/2 < x:
        x2 = n-x+1
    else:
        x2 = x
    
    if n/2 < y:
        y2 = n-y+1
    else:
        y2 = y
        
    if x2 > y2:
        l = n-2*(y2-1)
        luku = n**2-l**2
        if y2 == y:
            luku += 3*l-2+n-x-y2+1
        else:
            luku += l+x-y2
    else:
        l = n-2*(x2-1)
        luku = n**2-(l)**2
        if x2 == x:
            luku += y-x2+1
        else:
            luku += 2*l-1+ n-y-x2+1
        
    
    print(luku)

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED