CSES - Datatähti 2026 alku

Submission details
Task:	Hypyt
Sender:	Attack_Heli
Submission time:	2025-11-02 01:06:57 +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	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#3	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#4	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#5	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#6	ACCEPTED	0.03 s	2, 5	details
#7	ACCEPTED	0.03 s	2, 5	details
#8	ACCEPTED	0.04 s	2, 5	details
#9	ACCEPTED	0.94 s	3, 4, 5	details
#10	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#11	TIME LIMIT EXCEEDED	--	3, 4, 5	details
#12	TIME LIMIT EXCEEDED	--	4, 5	details
#13	TIME LIMIT EXCEEDED	--	4, 5	details
#14	TIME LIMIT EXCEEDED	--	4, 5	details
#15	TIME LIMIT EXCEEDED	--	5	details
#16	TIME LIMIT EXCEEDED	--	5	details
#17	TIME LIMIT EXCEEDED	--	5	details
#18	TIME LIMIT EXCEEDED	--	5	details
#19	TIME LIMIT EXCEEDED	--	5	details
#20	TIME LIMIT EXCEEDED	--	5	details
#21	TIME LIMIT EXCEEDED	--	5	details
#22	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#23	ACCEPTED	0.02 s	1, 2, 3, 4, 5	details
#24	RUNTIME ERROR	0.44 s	5	details
#25	ACCEPTED	0.64 s	5	details
#26	ACCEPTED	0.65 s	5	details
#27	ACCEPTED	0.60 s	5	details

Code

def recursive(depth,row_checklist:list,column_checklist:list,target_rows:list,target_columns:list) -> int:
    new_row_checklist,new_column_checklist,new_target_rows,new_target_columns=[],[],[],[]
    for y in row_checklist:
        i=0
        while i<n:
            i=r[y].find(".",i)
            if i==-1:break
            if i not in checked_columns:
                if i in target_columns:return depth 
                new_column_checklist.append(i)
            i+=1
    for x in column_checklist:
        i=0
        while i<m:
            i=r2[x].find(".",i)
            if i==-1:break
            if i not in checked_rows:
                if i in target_rows:return depth
                new_row_checklist.append(i)
            i+=1
    if not new_row_checklist and not new_column_checklist:return -1
    checked_columns.extend(target_columns)
    checked_rows.extend(target_rows)
    for y in target_rows:
        i=0
        while i<n:
            i=r[y].find(".",i)
            if i==-1:break
            if i not in checked_columns:
                if i in new_column_checklist:return depth +1
                new_target_columns.append(i)
            i+=1
    for x in target_columns:
        i=0
        while i<m:
            i=r2[x].find(".",i)
            if i==-1:break
            if i not in checked_rows:
                if i in new_row_checklist:return depth+1
                new_target_rows.append(i)
            i+=1
    if not new_row_checklist and not new_column_checklist:return -1
    checked_columns.extend(new_column_checklist)
    checked_rows.extend(new_row_checklist)
    return recursive(depth+2,new_row_checklist,new_column_checklist,new_target_rows,new_target_columns)
    
(n,m,_),*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:]
r2=["".join([l[i] for l in r]) for i in range(n)]
checked_rows,checked_columns=[],[]
solutions=[]
for y1,x1,y2,x2 in k:
    checked_columns=[x1-1,x2-1]
    checked_rows=[y1-1,y2-1]
    solutions.append((0 if (x1,y1) == (x2,y2) else 1) if x1==x2 or y1==y2 else (2 if r[y1-1][x2-1]=="." or r[y2-1][x1-1]=="." else recursive(2,[y1-1],[x1-1],[y2-1],[x2-1])))
print(*solutions,sep="\n")

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
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 55, in <module>
    solutions.append((0 if (x1,y1) == (x2,y2) else 1) if x1==x2 or y1==y2 else (2 if r[y1-1][x2-1]=="." or r[y2-1][x1-1]=="." else recursive(2,[y1-1],[x1-1],[y2-1],[x2-1])))
  File "/box/input/code.py", line 15, in recursive
    i=r2[x].find(".",i)
IndexError: list index out of range

Test 2

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

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

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

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

Test 3

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

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

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

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

Test 4

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

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

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

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

Test 5

Group: 1, 2, 3, 4, 5

Verdict: ACCEPTED

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

correct output
`7` view save

user output
`7` view save

Test 6

Group: 2, 5

Verdict: ACCEPTED

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

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

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

Test 7

Group: 2, 5

Verdict: ACCEPTED

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

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

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

Test 8

Group: 2, 5

Verdict: ACCEPTED

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

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

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

Test 9

Group: 3, 4, 5

Verdict: ACCEPTED

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

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

user output
`2 2 2 2 2 ...` view save

Test 10

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 11

Group: 3, 4, 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 12

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 13

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 14

Group: 4, 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 15

Group: 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 16

Group: 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 17

Group: 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 18

Group: 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 19

Group: 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 20

Group: 5

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

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: RUNTIME ERROR

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

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

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 49, in <module>
    r2=["".join([l[i] for l in r]) for i in range(n)]
  File "/box/input/code.py", line 49, in <listcomp>
    r2=["".join([l[i] for l in r]) for i in range(n)]
  File "/box/input/code.py", line 49, in <listcomp>
    r2=["".join([l[i] for l in r]) for i in range(n)]
IndexError: string index out of range

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: RUNTIME ERROR

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

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

user output
(empty)

Error:

Traceback (most recent call last):
  File "/box/input/code.py", line 49, in <module>
    r2=["".join([l[i] for l in r]) for i in range(n)]
  File "/box/input/code.py", line 49, in <listcomp>
    r2=["".join([l[i] for l in r]) for i in range(n)]
  File "/box/input/code.py", line 49, in <listcomp>
    r2=["".join([l[i] for l in r]) for i in range(n)]
IndexError: string index out of range

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: ACCEPTED

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

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

user output
`2 2 2 2 2 ...` view save

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)