CSES - Datatähti 2026 alku

Submission details
Task:	Hypyt
Sender:	Attack_Heli
Submission time:	2025-10-30 10:00:30 +0200
Language:	Python3 (CPython3)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	RUNTIME ERROR	0
#2	RUNTIME ERROR	0
#3	RUNTIME ERROR	0
#4	RUNTIME ERROR	0
#5	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#2	WRONG ANSWER	0.02 s	1, 2, 3, 4, 5	details
#3	WRONG ANSWER	0.02 s	1, 2, 3, 4, 5	details
#4	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#5	WRONG ANSWER	0.02 s	1, 2, 3, 4, 5	details
#6	RUNTIME ERROR	0.12 s	2, 5	details
#7	RUNTIME ERROR	0.12 s	2, 5	details
#8	RUNTIME ERROR	0.09 s	2, 5	details
#9	RUNTIME ERROR	0.42 s	3, 4, 5	details
#10	RUNTIME ERROR	0.42 s	3, 4, 5	details
#11	RUNTIME ERROR	0.42 s	3, 4, 5	details
#12	RUNTIME ERROR	0.43 s	4, 5	details
#13	RUNTIME ERROR	0.43 s	4, 5	details
#14	RUNTIME ERROR	0.42 s	4, 5	details
#15	RUNTIME ERROR	0.66 s	5	details
#16	RUNTIME ERROR	0.53 s	5	details
#17	RUNTIME ERROR	0.47 s	5	details
#18	RUNTIME ERROR	0.45 s	5	details
#19	RUNTIME ERROR	0.50 s	5	details
#20	RUNTIME ERROR	0.49 s	5	details
#21	TIME LIMIT EXCEEDED	--	5	details
#22	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#23	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#24	ACCEPTED	0.65 s	5	details
#25	ACCEPTED	0.65 s	5	details
#26	RUNTIME ERROR	0.55 s	5	details
#27	ACCEPTED	0.54 s	5	details

Code

def recursive(target_x,target_y,depth,checklist:list) -> int:
    new_checklist=[]
    for x,y in checklist:
        if x==target_x or y==target_y:
            return depth
        checked_columns.append(y)
        for i in range(m):
            if r[x][i]=="." and i not in checked_columns:
                checked_columns.append(i)
                new_checklist.append((x,i))
        for i in range(n):
            if r[i][y]=="." and i not in checked_rows:
                checked_rows.append(i)
                new_checklist.append((i,y))
    if not new_checklist:return -1
    return recursive(target_x,target_y,depth+1,new_checklist)
    
(n,m,q),*raw_inp=[[int(c) if c.isdigit() else c for c in l.split()] for l in open(0)]
r,k=[l[0] for l in raw_inp[:n]],raw_inp[n:]
checked_rows,checked_columns=[],[]
for y1,x1,y2,x2 in k:
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)

Test details

Test 1 (public)

Group: 1, 2, 3, 4, 5

Verdict: RUNTIME ERROR

input
`4 6 5 ..** ...* ****. ... ...` view save

correct output
`1 0 3 3 -1` view save

user output
`1 0 3` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 2

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

input
`10 10 10 .......... ......... ......... .....*.. ...` view save

correct output
`1 2 1 2 2 ...` view save

user output
`1 2 1 -1 -1 ...` view save

Feedback: Incorrect character on line 4 col 1: expected "2", got "-1"

Test 3

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

input
`10 10 10 .... ****.... .... ...*.. ...` view save

correct output
`1 2 2 1 2 ...` view save

user output
`1 2 -1 1 -1 ...` view save

Feedback: Incorrect character on line 3 col 1: expected "2", got "-1"

Test 4

Group: 1, 2, 3, 4, 5

Verdict: RUNTIME ERROR

input
`10 10 10 **..** ******** .******* .... ...` view save

correct output
`3 4 2 3 4 ...` view save

user output
`4 -1` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 5

Group: 1, 2, 3, 4, 5

Verdict: WRONG ANSWER

input
`10 10 1 .**. ...* ******** ****.. ...` view save

correct output
`7` view save

user output
`4` view save

Feedback: Incorrect character on line 1 col 1: expected "7", got "4"

Test 6

Group: 2, 5

Verdict: RUNTIME ERROR

input
`250 250 250 .........*****.....*.......` view save

correct output
`2 3 3 2 2 ...` view save

user output
`2 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 7

Group: 2, 5

Verdict: RUNTIME ERROR

input
`250 250 250 ..................**...` view save

correct output
`2 2 2 2 3 ...` view save

user output
`2 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 12, in recursive
    if r[i][y]=="." and i not in checked_rows:
IndexError: string index out of range

Test 8

Group: 2, 5

Verdict: RUNTIME ERROR

input
`250 250 250 ....**.*..*......` view save

correct output
`2 3 3 3 3 ...` view save

user output
`2 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 9

Group: 3, 4, 5

Verdict: RUNTIME ERROR

input
`40 40 200000 .....................*.....` view save

correct output
`2 2 2 2 2 ...` view save

user output
`2 2 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 12, in recursive
    if r[i][y]=="." and i not in checked_rows:
IndexError: string index out of range

Test 10

Group: 3, 4, 5

Verdict: RUNTIME ERROR

input
`40 40 200000 ......***....*.....` view save

correct output
`2 1 3 2 2 ...` view save

user output
`2 1 2 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 12, in recursive
    if r[i][y]=="." and i not in checked_rows:
IndexError: string index out of range

Test 11

Group: 3, 4, 5

Verdict: RUNTIME ERROR

input
`40 40 200000 ....*...**..**...` view save

correct output
`3 3 3 3 3 ...` view save

user output
`2 3 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 12, in recursive
    if r[i][y]=="." and i not in checked_rows:
IndexError: string index out of range

Test 12

Group: 4, 5

Verdict: RUNTIME ERROR

input
`80 80 200000 .......*........*......` view save

correct output
`2 2 2 2 2 ...` view save

user output
`2 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 13

Group: 4, 5

Verdict: RUNTIME ERROR

input
`80 80 200000 .**......*.......*...` view save

correct output
`3 2 2 3 2 ...` view save

user output
`3 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 14

Group: 4, 5

Verdict: RUNTIME ERROR

input
`80 80 200000 *****.**.....*...*...` view save

correct output
`2 3 1 2 2 ...` view save

user output
`3 -1 1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 15

Group: 5

Verdict: RUNTIME ERROR

input
`250 250 200000 ..........*...........**...` view save

correct output
`3 2 2 2 2 ...` view save

user output
`2 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 12, in recursive
    if r[i][y]=="." and i not in checked_rows:
IndexError: string index out of range

Test 16

Group: 5

Verdict: RUNTIME ERROR

input
`250 250 200000 ...............*....**...` view save

correct output
`2 2 2 2 2 ...` view save

user output
`3 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 17

Group: 5

Verdict: RUNTIME ERROR

input
`250 250 200000 ...***.*****..**...` view save

correct output
`3 3 2 2 2 ...` view save

user output
`2 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 12, in recursive
    if r[i][y]=="." and i not in checked_rows:
IndexError: string index out of range

Test 18

Group: 5

Verdict: RUNTIME ERROR

input
`250 250 200000 *******.******.**....` view save

correct output
`3 3 3 3 3 ...` view save

user output
`3 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 12, in recursive
    if r[i][y]=="." and i not in checked_rows:
IndexError: string index out of range

Test 19

Group: 5

Verdict: RUNTIME ERROR

input
`250 250 200000 .*****************************...` view save

correct output
`104 422 145 93 65 ...` view save

user output
`100 -1 -1 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 20

Group: 5

Verdict: RUNTIME ERROR

input
`250 250 200000 ..****************************...` view save

correct output
`57 155 38 65 98 ...` view save

user output
`55 -1 31 -1 -1 ...` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 21

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`250 250 200000 .*****************************...` view save

correct output
`498 498 498 498 498 ...` view save

user output
(empty)

Test 22

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`10 1 10 * * . * ...` view save

correct output
`0 1 1 0 0 ...` view save

user output
`0 1 1 0 0 ...` view save

Test 23

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

input
`1 10 10 ........*. 1 7 1 10 1 4 1 7 1 5 1 1 ...` view save

correct output
`1 1 1 1 1 ...` view save

user output
`1 1 1 1 1 ...` view save

Test 24

Group: 5

Verdict: ACCEPTED

input
`250 1 200000 * . * . ...` view save

correct output
`1 1 1 1 1 ...` view save

user output
`1 1 1 1 1 ...` view save

Test 25

Group: 5

Verdict: ACCEPTED

input
`1 250 200000 ..............**...` view save

correct output
`1 1 1 1 1 ...` view save

user output
`1 1 1 1 1 ...` view save

Test 26

Group: 5

Verdict: RUNTIME ERROR

input
`250 250 200000 .................................` view save

correct output
`2 2 2 2 2 ...` view save

user output
`2 -1 -1 -1 -1` view save

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 22, in <module>
    print(recursive(x2,y2,1,[(x1,y1)]) if (x1,y1) != (x2,y2) else 0)
  File "/box/input/code.py", line 8, in recursive
    if r[x][i]=="." and i not in checked_columns:
IndexError: list index out of range

Test 27

Group: 5

Verdict: ACCEPTED

input
`250 250 200000 ******************************...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`0 0 0 0 0 ...` view save

Datatähti 2026 alku

Hypyt

Code

Test details

Test 1 (public)

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Tasks

Submissions (Attack_Heli)