CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:gleb_elkin
Submission time:2024-11-05 16:13:35 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2details
#2ACCEPTED0.04 s1, 2details
#30.07 s1, 2details
#4ACCEPTED0.04 s1, 2details
#5--1, 2details
#6--1, 2details
#70.07 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#10--1, 2details
#11--1, 2details
#120.56 s2details
#13--2details
#140.17 s2details
#15--2details
#16--2details
#17ACCEPTED0.06 s2details
#18--2details
#19--2details
#20ACCEPTED0.05 s2details
#21--2details
#22--2details
#23--2details
#24--2details

Code

str_len = input()
rooms = list(input())


robot_index = rooms.index('R')

distance_1 = 0
distance_2 = 0

steps_count = 0
coins_count = 0


while True:

    i = robot_index

    while i < len(rooms):
        if rooms[i] == '*':
            distance_1 = abs(robot_index-i)
            break

        i += 1

    a = robot_index

    while a >= 0:
        if rooms[a] == '*':
            distance_2 = abs(robot_index-a)
            break

        a -= 1

    rooms[robot_index] = '.'

    if distance_1 == distance_2:
        break

    if distance_1 < distance_2:
        robot_index = robot_index + distance_1
        steps_count += distance_1

    else:
        robot_index = robot_index - distance_2
        steps_count += distance_2
    coins_count += 1

    rooms[robot_index] = 'R'


print(steps_count, coins_count)

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:

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

correct output
12 5

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 48, in <module>
    rooms[robot_index] = 'R'
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)

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
(empty)

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 48, in <module>
    rooms[robot_index] = 'R'
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)

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
(empty)

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 48, in <module>
    rooms[robot_index] = 'R'
IndexError: list index out of range

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
(empty)

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 48, in <module>
    rooms[robot_index] = 'R'
IndexError: list index out of range

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Test 17

Group: 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

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)

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
(empty)

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
(empty)