CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:SNT
Submission time:2024-11-04 14:34:40 +0200
Language:Python3 (PyPy3)
Status:READY
Result:30
Feedback
groupverdictscore
#1ACCEPTED30
#20
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
#7ACCEPTED0.04 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#10ACCEPTED0.04 s1, 2details
#11ACCEPTED0.05 s1, 2details
#12ACCEPTED0.05 s2details
#13ACCEPTED0.06 s2details
#14ACCEPTED0.11 s2details
#15ACCEPTED0.24 s2details
#16ACCEPTED0.22 s2details
#17ACCEPTED0.04 s2details
#18--2details
#19--2details
#20--2details
#21ACCEPTED0.04 s2details
#22ACCEPTED0.62 s2details
#23--2details
#24--2details

Code

def main():
    count = int(input())
    layout = str(input())
    
    pos = layout.find('R') + 1
    steps = 0
    coins = 0
    finder = 0

    coin_pos = []
    layout_copy = layout

    while finder < count and layout_copy.find('*') != -1:
        finder = layout_copy.find('*')
        coin_pos.append(finder + 1)
        layout_copy = layout_copy.replace('*', '.', 1)

    for _ in range(len(coin_pos)):
        coin_pos.append(pos)
        coin_pos.sort()
        index = coin_pos.index(pos)

        if index != 0:
            left = pos - coin_pos[index - 1]
        else:
            left = False

        if index + 1 != len(coin_pos):
            right = coin_pos[index + 1] - pos
        else:
            right = False

        if left == right:
            break

        elif (left < right and left != False) or right == False:
            coin_pos.pop(index)
            coin_pos.pop(index - 1)
            pos -= left
            steps += left

        else:
            coin_pos.pop(index)
            coin_pos.pop(index)
            pos += right
            steps += right

        coins += 1

    print(steps, coins)

main()

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:

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:

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

correct output
0 0

user output
(empty)

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:

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

correct output
199999 199999

user output
(empty)

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)