CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:elias26
Submission time:2021-10-09 12:36:34
Language:CPython3
Status:READY
Result:15
Feedback
groupverdictscore
#1ACCEPTED15
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1details
#2--2details
#3--3details

Code

n, t =  map(int, input().split())
tests = []


for i in range(t):
    x, y =  map(int, input().split())
    tests.append([x,y])

turningPoints = []

def generateTurningPoint(i, n):
    return round((1.0/8.0)*( -2.0 * i**2.0 + (n *8.0)*i + (-1.0**(i+1.0))+1.0))

i = 0
while True:
    next = generateTurningPoint(i,n)
    turningPoints.append(next)

    i += 1

    if next == n**2:
        break;

coordinate = [1,1]
direction = [1,0]

possibleDirections = [[0,1],[-1,0],[0,-1],[1,0]]

coordinateToValue = {}


for i in range(1, n * n + 1):


    if i in turningPoints:
        direction = possibleDirections[0]
        possibleDirections.remove(direction)
        possibleDirections.append(direction)
        
    coordinateToValue[repr([coordinate[0], coordinate[1]])] = i

    coordinate[0] += direction[0]
    coordinate[1] += direction[1]


for test in tests:
    print(coordinateToValue[str(test)])
  

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:

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

correct output
773533
312166
206053
200080
593922
...

user output
(empty)

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)