CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:osmukka
Submission time:2024-11-04 11:21:03 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.04 s1, 2details
#20.06 s1, 2details
#30.06 s1, 2details
#4ACCEPTED0.04 s1, 2details
#50.07 s1, 2details
#60.07 s1, 2details
#70.07 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#100.04 s1, 2details
#110.04 s1, 2details
#120.07 s2details
#130.07 s2details
#140.08 s2details
#150.06 s2details
#160.05 s2details
#170.07 s2details
#180.09 s2details
#190.39 s2details
#20ACCEPTED0.06 s2details
#210.07 s2details
#220.08 s2details
#23--2details
#240.06 s2details

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':
        robot_index = len(coin_rooms)
        coin_rooms.append(i)


for i in range(amount):
    #if robot_index > 0:
    d_left = coin_rooms[robot_index] - coin_rooms[robot_index-1] if robot_index > 0 else 99999
    #else:
        #d_left = 999999
    if robot_index < len(coin_rooms)-1:
        d_right = coin_rooms[robot_index+1] - coin_rooms[robot_index]
    else:
        d_right = 999999

    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:

input
1
R

correct output
0 0

user output
99999 1

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 32, in <module>
    del coin_rooms[robot_index]
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 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

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 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

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 32, in <module>
    del coin_rooms[robot_index]
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 32, in <module>
    del coin_rooms[robot_index]
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
100998 1000

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
100998 1000

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 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

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 32, in <module>
    del coin_rooms[robot_index]
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 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
109998 10000

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
109998 10000

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 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

Test 18

Group: 2

Verdict:

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

correct output
299934 10000

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

Test 19

Group: 2

Verdict:

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

correct output
299998 100000

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

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 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

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 32, in <module>
    del coin_rooms[robot_index]
IndexError: list index out of range

Test 23

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
299998 200000