CSES - Datatähti 2025 alku

Submission details
Task:	Robotti
Sender:	rottis
Submission time:	2024-10-28 09:40:23 +0200
Language:	Ruby
Status:	READY
Result:	0

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

Test results
test	verdict	time	group
#1	ACCEPTED	0.07 s	1, 2	details
#2	ACCEPTED	0.07 s	1, 2	details
#3	ACCEPTED	0.07 s	1, 2	details
#4	ACCEPTED	0.07 s	1, 2	details
#5	ACCEPTED	0.07 s	1, 2	details
#6	WRONG ANSWER	0.07 s	1, 2	details
#7	WRONG ANSWER	0.08 s	1, 2	details
#8	ACCEPTED	0.07 s	1, 2	details
#9	ACCEPTED	0.07 s	1, 2	details
#10	WRONG ANSWER	0.07 s	1, 2	details
#11	WRONG ANSWER	0.07 s	1, 2	details
#12	ACCEPTED	0.08 s	2	details
#13	WRONG ANSWER	0.08 s	2	details
#14	WRONG ANSWER	0.09 s	2	details
#15	WRONG ANSWER	0.08 s	2	details
#16	WRONG ANSWER	0.08 s	2	details
#17	ACCEPTED	0.15 s	2	details
#18	ACCEPTED	0.16 s	2	details
#19	WRONG ANSWER	0.17 s	2	details
#20	ACCEPTED	0.12 s	2	details
#21	ACCEPTED	0.15 s	2	details
#22	ACCEPTED	0.15 s	2	details
#23	WRONG ANSWER	0.12 s	2	details
#24	WRONG ANSWER	0.22 s	2	details

Code

def walk_left(b, c_idx, n)
  while c_idx >= 0
    c_idx -= 1
    if b[c_idx] == "*"
      return c_idx
    end
  end
  return -1
end

def walk_right(b, c_idx, n)
  while c_idx < n && c_idx != -1
    c_idx += 1
    if b[c_idx] == "*"
      return c_idx
    end
  end
  return -1
end

board_size = gets.chomp.to_i
board = gets.chomp.split("")

steps = 0
robot_idx = board.find_index("R")
left_idx = walk_left(board, robot_idx, board_size)
right_idx = walk_right(board, robot_idx, board_size)

finished = false
coins_collected = 0

while (2 * robot_idx - left_idx - right_idx != 0) && !(left_idx == -1 && right_idx == -1)
  if (robot_idx - left_idx > right_idx - robot_idx) || left_idx == -1
    # go right
    steps += right_idx - robot_idx
    robot_idx = right_idx
    right_idx = walk_right(board, right_idx, board_size)
  else
    # go left
    steps += robot_idx - left_idx
    robot_idx = left_idx
    left_idx = walk_left(board, left_idx, board_size)
  end
  coins_collected += 1
end

puts("#{steps} #{coins_collected}")

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: ACCEPTED

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

correct output
`12 5` view save

user output
`12 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
`-11504 18` view save

Test 7

Group: 1, 2

Verdict: WRONG ANSWER

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

correct output
`1287 400` view save

user output
`-195303 679` view save

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: 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
`-999999 1998` view save

Test 12

Group: 2

Verdict: ACCEPTED

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

correct output
`10971 999` view save

user output
`10971 999` view save

Test 13

Group: 2

Verdict: WRONG ANSWER

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

correct output
`9999 999` view save

user output
`-10006369 1998` view save

Test 14

Group: 2

Verdict: WRONG ANSWER

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

correct output
`18766 5000` view save

user output
`-819794 5657` 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
`-99999999 19998` view save

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: ACCEPTED

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

correct output
`299934 10000` view save

user output
`299934 10000` view save

Test 19

Group: 2

Verdict: WRONG ANSWER

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

correct output
`299998 100000` view save

user output
`-4995144614 149960` view save

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: ACCEPTED

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

correct output
`199982 5000` view save

user output
`199982 5000` 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
`-39999999999 399998` 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 (rottis)