Spiraali

n, t = [int(x) for x in input().split()]
n2=n**2
n12=n/2

for h in range (t):
    y, x = [int(x) for x in input().split()]
    a=0
    if y<(n12+1):
        y0=y-n12-1
    else:
        y0=y-n12
    if x<(n12+1):
        x0=x-n12-1
    else:
        x0=x-n12
    #print(y0)
    #print(x0)
    

    if abs(x0)>abs(y0):
        k=abs(x0)
        if x0>0:
            while y0!=x0:
                a+=1
                if y0==-1:
                    y0+=2
                else:
                    y0+=1
            print(str(n2+1-int((2*k)**2-a-2*(2*k-1))))
        else:
            while y0!=x0:
                a+=1
                if y0==1:
                    y0-=2
                else:
                    y0-=1
            print(str(n2+1-int((2*k)**2-a)))
    else:
        k=abs(y0)
        if y0==x0:
            if y0>0:
                if x0>0:
                    print(str(n2+1-int((2*k)**2-2*(2*k-1))))
                else:
                    print(str(n2+1-int((2*k)**2-(2*k-1))))
            else:
                if x0>0:
                    print(str(n2+1-int((2*k)**2-3*(2*k-1))))
                else:
                    print(str(n2+1-int((2*k)**2)))
        elif y0<0:
            while x0!=abs(y0):
                a+=1
                if x0==-1:
                    x0+=2
                else:
                    x0+=1
            print(str(n2+1-int((2*k)**2-a-3*(2*k-1))))
        else:
            while abs(x0)!=y0:
                a+=1
                if x0==1:
                    x0-=2
                else:
                    x0-=1
            print(str(n2+1-int((2*k)**2-a-(2*k-1))))

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: TIME LIMIT EXCEEDED