CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Sirtsu55
Submission time:2024-11-05 21:15:49 +0200
Language:Python3 (CPython3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.02 s1, 2details
#20.02 s1, 2details
#30.02 s1, 2details
#40.02 s1, 2details
#50.02 s1, 2details
#60.02 s1, 2details
#70.02 s1, 2details
#80.02 s1, 2details
#90.02 s1, 2details
#100.02 s1, 2details
#110.02 s1, 2details
#120.02 s2details
#130.02 s2details
#14--2details
#150.02 s2details
#160.02 s2details
#170.03 s2details
#18--2details
#19--2details
#200.02 s2details
#210.02 s2details
#220.02 s2details
#230.02 s2details
#240.03 s2details

Code

import sys
n = int(input())
rooms = list(input())

loc = rooms.index("R")

steps = 0
collected = 0

def rfind(lst, value, start):
    for i in range(start, -1, -1):
        if lst[i] == value:
            return i
    return -1

while True:


    left_closest = rfind(rooms, "*", loc)
    right_closest = rooms.index("*", loc)
    
    if left_closest == -1:
        left_closest = sys.maxsize
    if right_closest == -1:
        right_closest = sys.maxsize
    if left_closest == right_closest:
        break

    rel_left = loc - left_closest
    rel_right = right_closest - loc

    if abs(rel_left) == abs(rel_right):
        break
    elif rel_left < rel_right:
        steps += abs(rel_left)
        collected += 1
        # rooms[loc] = "."
        loc = left_closest
        rooms[loc] = "."

    elif rel_left > rel_right:
        steps += abs(rel_right)
        collected += 1
        # rooms[loc] = "."
        loc = right_closest
        rooms[loc] = "."



print(steps)

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list

Test 2

Group: 1, 2

Verdict:

input
10
...R......

correct output
0 0

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list

Test 3

Group: 1, 2

Verdict:

input
10
**.R...***

correct output
12 5

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 39, in <module>
    rooms[loc] = "."
IndexError: list assignment index out of range

Test 4

Group: 1, 2

Verdict:

input
10
***R******

correct output
0 0

user output
0

Test 5

Group: 1, 2

Verdict:

input
1000
R................................

correct output
947 9

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 39, in <module>
    rooms[loc] = "."
IndexError: list assignment index out of range

Test 6

Group: 1, 2

Verdict:

input
1000
.................................

correct output
886 9

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list

Test 7

Group: 1, 2

Verdict:

input
1000
.....*..*....**..**..*......*....

correct output
1287 400

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list

Test 8

Group: 1, 2

Verdict:

input
1000
************.*****************...

correct output
0 0

user output
0

Test 9

Group: 1, 2

Verdict:

input
1000
******************************...

correct output
0 0

user output
0

Test 10

Group: 1, 2

Verdict:

input
1000
R*****************************...

correct output
999 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 39, in <module>
    rooms[loc] = "."
IndexError: list assignment index out of range

Test 11

Group: 1, 2

Verdict:

input
1000
******************************...

correct output
999 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list

Test 12

Group: 2

Verdict:

input
10000
.......**........*...........*...

correct output
10971 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 39, in <module>
    rooms[loc] = "."
IndexError: list assignment index out of range

Test 13

Group: 2

Verdict:

input
10000
*..*....*......*.....*..*........

correct output
9999 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list

Test 14

Group: 2

Verdict:

input
10000
*.*.*...**.*...*....**.**.**.....

correct output
18766 5000

user output
(empty)

Test 15

Group: 2

Verdict:

input
10000
R*****************************...

correct output
9999 9999

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 39, in <module>
    rooms[loc] = "."
IndexError: list assignment index out of range

Test 16

Group: 2

Verdict:

input
10000
******************************...

correct output
9999 9999

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list

Test 17

Group: 2

Verdict:

input
200000
.................................

correct output
0 0

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list

Test 18

Group: 2

Verdict:

input
200000
.................................

correct output
299934 10000

user output
(empty)

Test 19

Group: 2

Verdict:

input
200000
**.***....**..**.....***.*..*....

correct output
299998 100000

user output
(empty)

Test 20

Group: 2

Verdict:

input
200000
******************************...

correct output
0 0

user output
0

Test 21

Group: 2

Verdict:

input
200000
R................................

correct output
133765 3

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 39, in <module>
    rooms[loc] = "."
IndexError: list assignment index out of range

Test 22

Group: 2

Verdict:

input
200000
R................................

correct output
199982 5000

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 39, in <module>
    rooms[loc] = "."
IndexError: list assignment index out of range

Test 23

Group: 2

Verdict:

input
200000
R*****************************...

correct output
199999 199999

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 39, in <module>
    rooms[loc] = "."
IndexError: list assignment index out of range

Test 24

Group: 2

Verdict:

input
200000
******************************...

correct output
199999 199999

user output
(empty)

Error:
Traceback (most recent call last):
  File "/box/input/code.py", line 20, in <module>
    right_closest = rooms.index("*", loc)
ValueError: '*' is not in list