CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:jaaskelainen
Submission time:2021-10-05 21:22:37
Language:CPython3
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.02 s1details
#20.02 s2details
#30.02 s3details

Code

def changeDir(d):
    if(d == "down"):
        return "right"
    elif(d=="right"):
        return "up"
    elif(d=="up"):
        return "left"
    elif(d=="left"):
        return "down"


n = int(input(""))

array = [[0 for x in range(n)] for y in range(n)] 

step = 1

x = 0
y = 0

array[0][0] = step
step +=1

dir = "down" # down -> right -> up -> left -> down ...


while(step <= n**2):

    if(dir == "down"):
        if(array[y+1][x] == 0):
            y+=1
            array[y][x] = step
            step+=1
            if(y==n-1):
                dir = changeDir(dir)
        else:
            dir = changeDir(dir)

    if(dir == "right"):
        if(array[y][x+1] == 0):
            x+=1
            array[y][x] = step
            step+=1
            if(x==n-1):
                dir = changeDir(dir)
        else:
            dir = changeDir(dir)

    if(dir == "up"):
        if(array[y-1][x] == 0 ):
            y-=1
            array[y][x] = step
            step+=1
            if(y==0):
                dir = changeDir(dir)
        else:
            dir = changeDir(dir)
    
    if(dir == "left"):
        if(array[y][x-1] == 0):
            x-=1
            array[y][x] = step
            step+=1
            if(x==0):
                dir = changeDir(dir)
        else:
            dir = changeDir(dir)    

i = input("")
ans = []
while(i != ""):
    coord = i.split()
    ans.append(array[int(coord[0])-1][int(coord[1])-1])
    
    i = input("")

for s in ans:
    print(s)

#print(array)

Test details

Test 1

Group: 1

Verdict:

input
10 100
1 1
1 2
1 3
1 4
...

correct output
1
36
35
34
33
...

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 12, in <module>
    n = int(input(""))
ValueError: invalid literal for int() with base 10: '10 100'

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)

Error:
Traceback (most recent call last):
  File "input/code.py", line 12, in <module>
    n = int(input(""))
ValueError: invalid literal for int() with base 10: '1000 1000'

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)

Error:
Traceback (most recent call last):
  File "input/code.py", line 12, in <module>
    n = int(input(""))
ValueError: invalid literal for int() with base 10: '1000000000 1000'