CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Arkistoija
Submission time:2024-10-30 13:43:14 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.04 s1, 2details
#20.04 s1, 2details
#30.04 s1, 2details
#40.04 s1, 2details
#50.04 s1, 2details
#60.04 s1, 2details
#70.07 s1, 2details
#80.04 s1, 2details
#90.04 s1, 2details
#100.17 s1, 2details
#110.17 s1, 2details
#12--2details
#13--2details
#14--2details
#15--2details
#16--2details
#170.08 s2details
#18--2details
#19--2details
#200.09 s2details
#210.08 s2details
#22--2details
#23--2details
#24--2details

Code

rooms_amount = input()
roomorder = input()

# roomorder = "*.........*...*..R.*...............*.........**..........**..**********....*................*...................*.*****.........."
# rooms_amount = len(roomorder)
# "**.*......*.R*...*.."

rooms_amount = int(rooms_amount)


steps = 0
coins = 0


rooms = []
for symbol in range(rooms_amount):
    rooms.append(roomorder[symbol])

robots_room = rooms.index("R")

rooms_with_coins = []

room_index = 0
for x in rooms:
    if x == "*":
        rooms_with_coins.append(room_index)
    room_index += 1


def get_left_distance():
    distance = 1

    for x in range(robots_room-1, -1, -1):
        if x in rooms_with_coins:
            return distance
        else:
            distance += 1
    if rooms_with_coins[0] > robots_room:
        return 1000000


def get_right_distance():
    distance = 1

    for x in range(robots_room + 1, int(rooms_amount)):
        if x in rooms_with_coins:
            return distance
        else:
            distance += 1
    if rooms_with_coins[-1] < robots_room:
        return 10000000


while True:
    if rooms_with_coins == []:
        break
    steps_to_left = get_left_distance()
    steps_to_right = get_right_distance()

    if steps_to_left == steps_to_right :
        break

    if steps_to_right < steps_to_left:
        steps += steps_to_right
        coins += 1

        robots_room += steps_to_right
        rooms_with_coins.pop(rooms_with_coins.index(robots_room))

    elif steps_to_left < steps_to_right:
        steps += steps_to_left
        coins += 1

        robots_room -= steps_to_left
        rooms_with_coins.pop(rooms_with_coins.index(robots_room))

print(steps - 1, coins)

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
-1 0

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 3

Group: 1, 2

Verdict:

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

correct output
12 5

user output
11 5

Test 4

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
946 9

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
885 9

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
1286 400

Test 8

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 10

Group: 1, 2

Verdict:

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

correct output
999 999

user output
998 999

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
998 999

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
(empty)

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
(empty)

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
-1 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
-1 0

Test 21

Group: 2

Verdict:

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

correct output
133765 3

user output
133764 3

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)