CSES - Datatähti 2025 alku

Submission details
Task:	Robotti
Sender:	osmukka
Submission time:	2024-11-04 09:38:46 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	RUNTIME ERROR	0
#2	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.04 s	1, 2	details
#2	RUNTIME ERROR	0.06 s	1, 2	details
#3	TIME LIMIT EXCEEDED	--	1, 2	details
#4	ACCEPTED	0.04 s	1, 2	details
#5	WRONG ANSWER	0.04 s	1, 2	details
#6	WRONG ANSWER	0.04 s	1, 2	details
#7	RUNTIME ERROR	0.07 s	1, 2	details
#8	WRONG ANSWER	0.04 s	1, 2	details
#9	ACCEPTED	0.04 s	1, 2	details
#10	WRONG ANSWER	0.04 s	1, 2	details
#11	WRONG ANSWER	0.04 s	1, 2	details
#12	RUNTIME ERROR	0.07 s	2	details
#13	WRONG ANSWER	0.05 s	2	details
#14	WRONG ANSWER	0.05 s	2	details
#15	WRONG ANSWER	0.04 s	2	details
#16	WRONG ANSWER	0.04 s	2	details
#17	RUNTIME ERROR	0.07 s	2	details
#18	RUNTIME ERROR	0.07 s	2	details
#19	RUNTIME ERROR	0.08 s	2	details
#20	ACCEPTED	0.06 s	2	details
#21	WRONG ANSWER	0.05 s	2	details
#22	WRONG ANSWER	0.05 s	2	details
#23	WRONG ANSWER	0.06 s	2	details
#24	WRONG ANSWER	0.06 s	2	details

Code

amount = int(input())
rooms = input()
coin_rooms = []
robot_index = None
steps = 0
coins = 0

# Parse input.
for i in range(amount):
    if rooms[i] == '*':
        coin_rooms.append(i)
    elif rooms[i] == 'R':
        coin_rooms.append(i)
        robot_index = i

while True:
    if robot_index == 0 or robot_index == amount-1:
        break

    d_left = coin_rooms[robot_index] - coin_rooms[robot_index - 1]
    d_right = coin_rooms[robot_index+1] - coin_rooms[robot_index]

    if d_left < d_right:
        steps += d_left
        coins += 1
        del coin_rooms[robot_index]
        robot_index -= 1

    elif d_right > d_left:
        steps += d_right
        coins += 1
        del coin_rooms[robot_index]

    elif d_left == d_right:
        break
    

print(steps, coins)

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
`1 R` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 2

Group: 1, 2

Verdict: RUNTIME ERROR

input
`10 ...R......` view save

correct output
`0 0` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    d_left = coin_rooms[robot_index] - coin_rooms[robot_index - 1]
IndexError: list index out of range

Test 3

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`12 5` view save

user output
(empty)

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
`10 *R****` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 5

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 R................................` view save

correct output
`947 9` view save

user output
`0 0` view save

Test 6

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 .................................` view save

correct output
`886 9` view save

user output
`0 0` view save

Test 7

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 .........................` view save

correct output
`1287 400` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    d_left = coin_rooms[robot_index] - coin_rooms[robot_index - 1]
IndexError: list index out of range

Test 8

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 **********.***************...` view save

correct output
`0 0` view save

user output
`343 314` view save

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
`1000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 10

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 R*****************************...` view save

correct output
`999 999` view save

user output
`0 0` view save

Test 11

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 ******************************...` view save

correct output
`999 999` view save

user output
`0 0` view save

Test 12

Group: 2

Verdict: RUNTIME ERROR

input
`10000 .......*...................*...` view save

correct output
`10971 999` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 21, in <module>
    d_right = coin_rooms[robot_index+1] - coin_rooms[robot_index]
IndexError: list index out of range

Test 13

Group: 2

Verdict: WRONG ANSWER

input
`10000 ...........................` view save

correct output
`9999 999` view save

user output
`0 0` view save

Test 14

Group: 2

Verdict: WRONG ANSWER

input
`10000 ...............*.....` view save

correct output
`18766 5000` view save

user output
`0 0` view save

Test 15

Group: 2

Verdict: WRONG ANSWER

input
`10000 R*****************************...` view save

correct output
`9999 9999` view save

user output
`0 0` view save

Test 16

Group: 2

Verdict: WRONG ANSWER

input
`10000 ******************************...` view save

correct output
`9999 9999` view save

user output
`0 0` view save

Test 17

Group: 2

Verdict: RUNTIME ERROR

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

correct output
`0 0` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    d_left = coin_rooms[robot_index] - coin_rooms[robot_index - 1]
IndexError: list index out of range

Test 18

Group: 2

Verdict: RUNTIME ERROR

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

correct output
`299934 10000` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    d_left = coin_rooms[robot_index] - coin_rooms[robot_index - 1]
IndexError: list index out of range

Test 19

Group: 2

Verdict: RUNTIME ERROR

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

correct output
`299998 100000` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 21, in <module>
    d_right = coin_rooms[robot_index+1] - coin_rooms[robot_index]
IndexError: list index out of range

Test 20

Group: 2

Verdict: ACCEPTED

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

correct output
`0 0` view save

user output
`0 0` view save

Test 21

Group: 2

Verdict: WRONG ANSWER

input
`200000 R................................` view save

correct output
`133765 3` view save

user output
`0 0` view save

Test 22

Group: 2

Verdict: WRONG ANSWER

input
`200000 R................................` view save

correct output
`199982 5000` view save

user output
`0 0` view save

Test 23

Group: 2

Verdict: WRONG ANSWER

input
`200000 R*****************************...` view save

correct output
`199999 199999` view save

user output
`0 0` view save

Test 24

Group: 2

Verdict: WRONG ANSWER

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

correct output
`199999 199999` view save

user output
`0 0` view save

Datatähti 2025 alku

Robotti

Code

Test details

Test 1

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

Tasks

Submissions (osmukka)