CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali
Sender:Jellu
Submission time:2021-10-05 20:01:55 +0300
Language:CPython3
Status:READY
Result:35
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1details
#2ACCEPTED0.40 s2details
#3--3details

Code

n,t = [int(x) for x in input().split()]
sijainnit = []
x_arvot = []
y_arvot = []
for i in range(t):
    x, y = [int(x) for x in input().split()]
    sijainnit.append((x,y))
    x_arvot.append(x)
    y_arvot.append(y)
spiraali = {}
x = 1
y = 1
z = 1
while True:
    if y in y_arvot:
        for i in range(x, n - x + 2):
            spiraali [i,y] = z
            z += 1
    else:
        z += (n - 2 * x + 2)
    x = n - x + 1
    if x in x_arvot:
        for i in range(y+1, n - y + 2):
            spiraali [x,i] = z
            z += 1
    else:
        z += (n - 2 * y + 1)
    y = n - y + 1
    x -= 1
    if y in y_arvot:
        for i in range(x, n-x-1, -1):
            spiraali [i,y] = z
            z += 1
    else:
        z += (2 * x - n + 1)
    x = n-x
    y -= 1
    if x in x_arvot:
        for i in range(y, n-y, -1):
            spiraali [x,i] = z
            z += 1
    else:
        z += (2 * y - n)
    y = n-y+1
    x += 1
    if z >= n ** 2:
        break
for x,y in sijainnit:
    print(spiraali[x,y])

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:

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

correct output
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...

user output
(empty)