CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:raikasdev
Submission time:2024-10-28 20:09:58 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.07 s1, 2details
#20.07 s1, 2details
#30.06 s1, 2details
#4ACCEPTED0.04 s1, 2details
#50.06 s1, 2details
#60.07 s1, 2details
#70.07 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#100.06 s1, 2details
#110.06 s1, 2details
#120.07 s2details
#130.07 s2details
#140.16 s2details
#150.07 s2details
#160.07 s2details
#170.09 s2details
#18--2details
#19--2details
#20ACCEPTED0.05 s2details
#210.08 s2details
#220.08 s2details
#230.07 s2details
#240.08 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

coins = 0
steps = 0
while stalemate == False:
  leftDistance = findCoin(robot, -1)
  rightDistance = findCoin(robot, 1)
  if (leftDistance * -1) < rightDistance:
    robot += leftDistance
    coins += 1
    steps += leftDistance * -1
    rooms[robot] = '.'
  elif (leftDistance * -1) > rightDistance:
    robot += rightDistance
    coins += 1
    steps += rightDistance
    rooms[robot] = '.'
  else:
    stalemate = True

print(steps, coins)

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 "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 16, in <module>
    leftDistance = findCoin(robot, -1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range

Test 3

Group: 1, 2

Verdict:

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

correct output
12 5

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 4

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    rightDistance = findCoin(robot, 1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    rightDistance = findCoin(robot, 1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range

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:

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

correct output
999 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    rightDistance = findCoin(robot, 1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    rightDistance = findCoin(robot, 1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    rightDistance = findCoin(robot, 1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    rightDistance = findCoin(robot, 1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range

Test 17

Group: 2

Verdict:

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

correct output
0 0

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 16, in <module>
    leftDistance = findCoin(robot, -1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range

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: ACCEPTED

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

correct output
0 0

user output
0 0

Test 21

Group: 2

Verdict:

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

correct output
133765 3

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 23

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 18, in <module>
    if (leftDistance * -1) < rightDistance:
TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 17, in <module>
    rightDistance = findCoin(robot, 1)
  File "input/code.py", line 9, in findCoin
    if rooms[i] == '*':
IndexError: list index out of range