CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:Jellu
Submission time:2021-10-09 13:26:46
Language:CPython3
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#3ACCEPTED65
Test results
testverdicttimegroup
#1ACCEPTED0.03 s1details
#2ACCEPTED0.03 s2details
#3ACCEPTED0.03 s3details

Code

n,t = [int(x) for x in input().split()]
sijainnit = []
for i in range(t):
    y, x = [int(x) for x in input().split()]
    sijainnit.append((y,x))
for y,x in sijainnit:
    #Alaspäin
    if x <= n // 2 and (x - 1) <= y < (n - x + 1):
        m = (x-1) * 4 + 1
        x1 = m // 4 + 1
        if m == 1:
            y1 = 1
        else:
            y1 = m // 4
        if m == 1:
            z1 = 1
        else:
            z1 = (m - 1 ) * n - (1 + 2 * (((m // 2 - 1) * (1 + (m // 2 - 1)) // 2)) + (m//2)) + 1
        z = z1 + (y - y1)
    #Ylöspäin
    elif x >= n // 2 and (n - x + 1) < y <= (x):
        m = 2 + (n-x) * 4 + 1
        x1 = n - m // 4
        y1 = n - m // 4
        z1 = (m - 1 ) * n - (1 + 2 * (((m // 2 - 1) * (1 + (m // 2 - 1)) // 2)) + (m//2)) + 1
        z = z1 + (y1 - y)
    #Vasemmalle
    elif y <= n // 2 and (y) < x <= (n - y + 1):
        m = 3 + (y-1) * 4 + 1
        y1 = m // 4
        x1 = n - m // 4 + 1
        z1 = (m - 1 ) * n - (1 + 2 * (((m // 2 - 1) * (1 + (m // 2 - 1)) // 2))) + 1
        z = z1 + (x1 - x)
    #Oikealle
    elif y >= n // 2 and (n - y + 1) <= x < y:
        m = 1 + (n-y) * 4 + 1
        y1 = n - m // 4
        x1 = m // 4 + 1
        z1 = (m - 1 ) * n - (1 + 2 * (((m // 2 - 1) * (1 + (m // 2 - 1)) // 2))) + 1
        z = z1 + (x - x1)
    print(z)

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10 100
1 1
1 2
1 3
1 4
...

correct output
1
36
35
34
33
...

user output
1
36
35
34
33
...

Test 2

Group: 2

Verdict: ACCEPTED

input
1000 1000
371 263
915 322
946 880
53 738
...

correct output
773533
312166
206053
200080
593922
...

user output
773533
312166
206053
200080
593922
...

Test 3

Group: 3

Verdict: ACCEPTED

input
1000000000 1000
177757853 827347032
409613589 419171337
739269360 256524697
328695530 896842209
...

correct output
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...

user output
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...