CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:raikasdev
Submission time:2024-11-04 21:56:22 +0200
Language:Python3 (PyPy3)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED30
#2ACCEPTED70
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2details
#2ACCEPTED0.04 s1, 2details
#3ACCEPTED0.04 s1, 2details
#4ACCEPTED0.04 s1, 2details
#5ACCEPTED0.04 s1, 2details
#6ACCEPTED0.04 s1, 2details
#7ACCEPTED0.05 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#10ACCEPTED0.04 s1, 2details
#11ACCEPTED0.04 s1, 2details
#12ACCEPTED0.06 s2details
#13ACCEPTED0.05 s2details
#14ACCEPTED0.06 s2details
#15ACCEPTED0.06 s2details
#16ACCEPTED0.05 s2details
#17ACCEPTED0.06 s2details
#18ACCEPTED0.08 s2details
#19ACCEPTED0.11 s2details
#20ACCEPTED0.05 s2details
#21ACCEPTED0.07 s2details
#22ACCEPTED0.07 s2details
#23ACCEPTED0.07 s2details
#24ACCEPTED0.07 s2details

Code

totalRooms = int(input())
rooms = list(input())
robot = rooms.index("R")
stalemate = False

def findCoin(index, direction):
  i = index + direction
  while index > 0 and index < totalRooms:
    if rooms[i] == '*':
      return i - index
    i += direction
  return totalRooms * 10 * direction

coins = 0
steps = 0
running = True
while running:
  distance = 1
  while True:
    if ((robot-distance < 0) and (robot+distance>totalRooms)):
      # We are OOB
      running = False
      break
    try:
      if robot - distance < 0:
        # Python reverts the list ffs
        left = '.'
      else:
        left = rooms[robot-distance]
    except IndexError:
      left = '.'
    try:
      right = rooms[robot+distance]
    except IndexError:
      right = '.'
    if left == '*' and right != '*':
      # Go left
      steps += distance
      coins += 1
      robot -= distance
      rooms[robot] = '.'
      break
    elif right == '*' and left != '*':
      # Go right
      steps += distance
      coins += 1
      robot += distance
      rooms[robot] = '.'
      break
    elif right == '*' and left == '*':
      # Womp womp
      running = False
      break
    else:
      distance += 1
print(steps, coins)

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
1
R

correct output
0 0

user output
0 0

Test 2

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 3

Group: 1, 2

Verdict: ACCEPTED

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

correct output
12 5

user output
12 5

Test 4

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 5

Group: 1, 2

Verdict: ACCEPTED

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

correct output
947 9

user output
947 9

Test 6

Group: 1, 2

Verdict: ACCEPTED

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

correct output
886 9

user output
886 9

Test 7

Group: 1, 2

Verdict: ACCEPTED

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

correct output
1287 400

user output
1287 400

Test 8

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 9

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 10

Group: 1, 2

Verdict: ACCEPTED

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

correct output
999 999

user output
999 999

Test 11

Group: 1, 2

Verdict: ACCEPTED

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

correct output
999 999

user output
999 999

Test 12

Group: 2

Verdict: ACCEPTED

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

correct output
10971 999

user output
10971 999

Test 13

Group: 2

Verdict: ACCEPTED

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

correct output
9999 999

user output
9999 999

Test 14

Group: 2

Verdict: ACCEPTED

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

correct output
18766 5000

user output
18766 5000

Test 15

Group: 2

Verdict: ACCEPTED

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

correct output
9999 9999

user output
9999 9999

Test 16

Group: 2

Verdict: ACCEPTED

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

correct output
9999 9999

user output
9999 9999

Test 17

Group: 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 18

Group: 2

Verdict: ACCEPTED

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

correct output
299934 10000

user output
299934 10000

Test 19

Group: 2

Verdict: ACCEPTED

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

correct output
299998 100000

user output
299998 100000

Test 20

Group: 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 21

Group: 2

Verdict: ACCEPTED

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

correct output
133765 3

user output
133765 3

Test 22

Group: 2

Verdict: ACCEPTED

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

correct output
199982 5000

user output
199982 5000

Test 23

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999

Test 24

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999