CSES - Datatähti 2025 alku

Submission details
Task:	Robotti
Sender:	Resident_emu
Submission time:	2024-11-01 08:59:45 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.04 s	1, 2	details
#2	ACCEPTED	0.04 s	1, 2	details
#3	WRONG ANSWER	0.04 s	1, 2	details
#4	ACCEPTED	0.04 s	1, 2	details
#5	ACCEPTED	0.04 s	1, 2	details
#6	WRONG ANSWER	0.04 s	1, 2	details
#7	TIME LIMIT EXCEEDED	--	1, 2	details
#8	ACCEPTED	0.04 s	1, 2	details
#9	ACCEPTED	0.04 s	1, 2	details
#10	ACCEPTED	0.08 s	1, 2	details
#11	ACCEPTED	0.08 s	1, 2	details
#12	TIME LIMIT EXCEEDED	--	2	details
#13	ACCEPTED	0.54 s	2	details
#14	WRONG ANSWER	0.04 s	2	details
#15	TIME LIMIT EXCEEDED	--	2	details
#16	TIME LIMIT EXCEEDED	--	2	details
#17	ACCEPTED	0.04 s	2	details
#18	TIME LIMIT EXCEEDED	--	2	details
#19	TIME LIMIT EXCEEDED	--	2	details
#20	ACCEPTED	0.05 s	2	details
#21	ACCEPTED	0.11 s	2	details
#22	TIME LIMIT EXCEEDED	--	2	details
#23	TIME LIMIT EXCEEDED	--	2	details
#24	TIME LIMIT EXCEEDED	--	2	details

Code

n = int(input(""))
m  = input("")
steps_taken = 0
coins_collected = 0
while True:
    m_reversed = m[::-1]
    location_of_R = m.find("R")
    location_of_reversed_R = m_reversed.find("R")
    
    Location_for_nearest_coin_forward = m.find("*", location_of_R)
    Location_for_nearest_coin_backward = m_reversed.find("*", location_of_reversed_R-n)
    
    steps_to_nearest_coin_F = Location_for_nearest_coin_forward-location_of_R
    steps_to_nearest_coin_B = Location_for_nearest_coin_backward-location_of_reversed_R
    if Location_for_nearest_coin_forward == -1 and Location_for_nearest_coin_backward == -1:
        print(steps_taken, coins_collected)
        break
    
    elif Location_for_nearest_coin_forward == -1:
        steps_taken += steps_to_nearest_coin_B
        coins_collected += 1
        m = m.replace("R", ".")
        List_m = list(m)
        List_m[Location_for_nearest_coin_forward+1] = "R"
        m = "".join(List_m)
    elif Location_for_nearest_coin_backward == -1:
        steps_taken += steps_to_nearest_coin_F
        coins_collected += 1
        m = m.replace("R", ".")
        List_m = list(m)
        List_m[Location_for_nearest_coin_forward] = "R"
        m = "".join(List_m)
    elif steps_to_nearest_coin_F > steps_to_nearest_coin_B:
        steps_taken += steps_to_nearest_coin_B
        coins_collected += 1
        m = m.replace("R", ".")
        List_m = list(m)
        List_m[Location_for_nearest_coin_backward+1] = "R"
        m = "".join(List_m)
    elif steps_to_nearest_coin_F < steps_to_nearest_coin_B:
        steps_taken += steps_to_nearest_coin_F
        coins_collected += 1
        m = m.replace("R", ".")
        List_m = list(m)
        List_m[Location_for_nearest_coin_forward] = "R"
        m = "".join(List_m)
    else:
        print(steps_taken, coins_collected)
        break

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: ACCEPTED

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

correct output
`0 0` view save

user output
`0 0` view save

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

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

correct output
`12 5` view save

user output
`11 5` view save

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: ACCEPTED

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

correct output
`947 9` view save

user output
`947 9` view save

Test 6

Group: 1, 2

Verdict: WRONG ANSWER

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

correct output
`886 9` view save

user output
`999 10` view save

Test 7

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`1287 400` view save

user output
(empty)

Test 8

Group: 1, 2

Verdict: ACCEPTED

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

correct output
`0 0` view save

user output
`0 0` 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: ACCEPTED

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

correct output
`999 999` view save

user output
`999 999` view save

Test 11

Group: 1, 2

Verdict: ACCEPTED

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

correct output
`999 999` view save

user output
`999 999` view save

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`10971 999` view save

user output
(empty)

Test 13

Group: 2

Verdict: ACCEPTED

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

correct output
`9999 999` view save

user output
`9999 999` view save

Test 14

Group: 2

Verdict: WRONG ANSWER

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

correct output
`18766 5000` view save

user output
`1 1` view save

Test 15

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`9999 9999` view save

user output
(empty)

Test 16

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`9999 9999` view save

user output
(empty)

Test 17

Group: 2

Verdict: ACCEPTED

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

correct output
`0 0` view save

user output
`0 0` view save

Test 18

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`299934 10000` view save

user output
(empty)

Test 19

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`299998 100000` view save

user output
(empty)

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: ACCEPTED

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

correct output
`133765 3` view save

user output
`133765 3` view save

Test 22

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`199982 5000` view save

user output
(empty)

Test 23

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`199999 199999` view save

user output
(empty)

Test 24

Group: 2

Verdict: TIME LIMIT EXCEEDED

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

correct output
`199999 199999` view save

user output
(empty)

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 (Resident_emu)