CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:SNT
Submission time:2024-11-01 15:20:54 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.04 s1, 2details
#20.04 s1, 2details
#3--1, 2details
#40.04 s1, 2details
#5--1, 2details
#6--1, 2details
#7--1, 2details
#80.04 s1, 2details
#90.04 s1, 2details
#100.04 s1, 2details
#11--1, 2details
#120.09 s2details
#13--2details
#14--2details
#150.04 s2details
#16--2details
#170.05 s2details
#18--2details
#19--2details
#200.04 s2details
#21--2details
#22--2details
#230.04 s2details
#24--2details

Code

def find_coin(building:str, location:int, dir:int):

    steps = 0

    if dir == -1:
        location -= 2

    for room in building[location + 1::dir]:

        steps += 1

        if room == '*':
            return steps
        
    return False


def main():

    rooms = int(input())
    building = str(input())

    location = building.find('R')
    steps = 0
    coins = 0

    while True:
     
        left = find_coin(building, location, -1)
        right = find_coin(building, location, 1)

        if left == False or left == right:
            break

        elif left < right:

            location -= left
            steps += left

        else:

            location += right
            steps += right

        coins += 1

        building_list = list(building)
        building_list[location] = '.'
        building = ''.join(building_list)

    print('steps, coins')

main()

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
steps, coins

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
steps, coins

Test 3

Group: 1, 2

Verdict:

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

correct output
12 5

user output
(empty)

Test 4

Group: 1, 2

Verdict:

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

correct output
0 0

user output
steps, coins

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)

Test 8

Group: 1, 2

Verdict:

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

correct output
0 0

user output
steps, coins

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output
steps, coins

Test 10

Group: 1, 2

Verdict:

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

correct output
999 999

user output
steps, coins

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
steps, coins

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)

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
steps, coins

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Test 17

Group: 2

Verdict:

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

correct output
0 0

user output
steps, coins

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
steps, coins

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
steps, coins

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)