CSES - Datatähti 2026 alku

Submission details
Task:	Hypyt
Sender:	3lv11ra
Submission time:	2025-11-07 12:14:05 +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	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#3	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#4	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#5	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#6	RUNTIME ERROR	0.02 s	2, 5	details
#7	RUNTIME ERROR	0.02 s	2, 5	details
#8	RUNTIME ERROR	0.02 s	2, 5	details
#9	RUNTIME ERROR	0.02 s	3, 4, 5	details
#10	RUNTIME ERROR	0.02 s	3, 4, 5	details
#11	RUNTIME ERROR	0.02 s	3, 4, 5	details
#12	RUNTIME ERROR	0.02 s	4, 5	details
#13	RUNTIME ERROR	0.02 s	4, 5	details
#14	RUNTIME ERROR	0.02 s	4, 5	details
#15	RUNTIME ERROR	0.02 s	5	details
#16	RUNTIME ERROR	0.02 s	5	details
#17	RUNTIME ERROR	0.02 s	5	details
#18	RUNTIME ERROR	0.02 s	5	details
#19	RUNTIME ERROR	0.02 s	5	details
#20	RUNTIME ERROR	0.02 s	5	details
#21	RUNTIME ERROR	0.02 s	5	details
#22	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#23	RUNTIME ERROR	0.02 s	1, 2, 3, 4, 5	details
#24	RUNTIME ERROR	0.02 s	5	details
#25	RUNTIME ERROR	0.02 s	5	details
#26	RUNTIME ERROR	0.02 s	5	details
#27	RUNTIME ERROR	0.02 s	5	details

Code

read n, m, q
grid = [input() for _ in range(n)]

# 1. Merkitse rivikomponentit
row_comp = [[-1]*m for _ in range(n)]
col_comp = [[-1]*m for _ in range(n)]

r_id = 0
for i in range(n):
    j = 0
    while j < m:
        if grid[i][j] == '*':
            j += 1
            continue
        start = j
        while j < m and grid[i][j] == '.':
            row_comp[i][j] = r_id
            j += 1
        r_id += 1

# 2. Merkitse sarakekomponentit
c_id = 0
for j in range(m):
    i = 0
    while i < n:
        if grid[i][j] == '*':
            i += 1
            continue
        start = i
        while i < n and grid[i][j] == '.':
            col_comp[i][j] = c_id
            i += 1
        c_id += 1

# 3. Rakenna komponenttiverkko (bipartite)
graph = [[] for _ in range(r_id + c_id)]
for i in range(n):
    for j in range(m):
        if grid[i][j] == '.':
            rc = row_comp[i][j]
            cc = col_comp[i][j] + r_id
            graph[rc].append(cc)
            graph[cc].append(rc)

# 4. BFS-komponentit
comp_id = [-1] * (r_id + c_id)
comp = 0
for v in range(r_id + c_id):
    if comp_id[v] == -1:
        queue = [v]
        comp_id[v] = comp
        while queue:
            u = queue.pop()
            for nxt in graph[u]:
                if comp_id[nxt] == -1:
                    comp_id[nxt] = comp
                    queue.append(nxt)
        comp += 1

# 5. Vastaa kyselyihin
for _ in range(q):
    y1,x1,y2,x2 = map(lambda z: int(z)-1, input().split())
    if (grid[y1][x1] == '*' or grid[y2][x2] == '*'):
        print(-1)
        continue
    a1 = row_comp[y1][x1]
    b1 = col_comp[y1][x1] + r_id
    a2 = row_comp[y2][x2]
    b2 = col_comp[y2][x2] + r_id
    if comp_id[a1] == comp_id[a2]:
        print(0 if (y1,x1)==(y2,x2) else 1)
    elif comp_id[a1] == comp_id[b2] or comp_id[b1] == comp_id[a2]:
        print(1)
    elif comp_id[b1] == comp_id[b2]:
        print(2)
    elif comp_id[a1] == comp_id[a2]:
        print(2)
    elif comp_id[a1] == comp_id[b1]:
        print(3)
    else:
        print(-1)

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:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 2

Group: 1, 2, 3, 4, 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 3

Group: 1, 2, 3, 4, 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 5

Group: 1, 2, 3, 4, 5

Verdict: RUNTIME ERROR

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

correct output
`7` view save

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 15

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 16

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 17

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 18

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 19

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 20

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 21

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 23

Group: 1, 2, 3, 4, 5

Verdict: RUNTIME ERROR

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
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 25

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 26

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

Test 27

Group: 5

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Error:

File "/box/input/code.py", line 1
    read n, m, q
         ^
SyntaxError: invalid syntax

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 (3lv11ra)