Spiraali

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

check = lambda x,y,k: x+y-2*k-1 if x <= y else 4*N-6*k-1-x-y

for q in range(t):
    y,x = [int(q) for q in input().split()]
    k = min(min(x,y),N+1-max(x,y))-1
    print(-4*k*k+4*N*k+check(x,y,k))

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED