Spiraali

a=gets.split.map &:to_i
n = a[0]
t = a[1]
h = [0]
t.times {
    b = gets.split.map &:to_i
    y = b[0]
    x = b[1]
    if x == (n/2+1) && y == n/2
    	h << n**2
    else
    y > (n-x+1) ? v=1 : v=0
	v == 0 ? ( x > (y+1) ? (h << ( (y-x+1)+y*(4*n-4)-4*y*(y-1))) : ( h<< ((y-x+1)+(x-1)*(4*n-4))-(4*(x-2)*(x-1))  )) : ( x < y+1 ? (h<< (y+x-1)+((n-y)*(4*n-6))-(4*((n-y-1)*(n-y)))) : (h<< (2*n+x-y-1)+((n-x)*(4*n-8))-4*(n-x-1)*(n-x)) )
	end
}
b=1
while b<=t 
	puts h[b]
	b+=1
end

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED