CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Lelleri
Submission time:2024-10-29 22:02:51 +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
#12ACCEPTED0.09 s2details
#13ACCEPTED0.06 s2details
#14ACCEPTED0.10 s2details
#15ACCEPTED0.09 s2details
#16ACCEPTED0.14 s2details
#17--2details
#18--2details
#19--2details
#20--2details
#21--2details
#22--2details
#23--2details
#24--2details

Code


input()
room_layout = input()


robot_left_side = [-(len(room_layout.split("R")[0])-i) for i in range(len(room_layout.split("R")[0])) if room_layout[i] == "*"]
robot_right_side = [i+1 for i in range(len(room_layout.split("R")[1])) if room_layout[i+len(room_layout.split("R")[0])+1] == "*"][::-1]



robot_position = 0
amount_moved = 0
coins_collected = 0

while True:
    if(len(robot_right_side) == 0 and len(robot_left_side) == 0):
        break

    if(len(robot_left_side) == 0):
        amount_moved += abs(robot_right_side[0] - robot_position)
        coins_collected += len(robot_right_side)
        break

    if(len(robot_right_side) == 0):
        amount_moved += abs(robot_left_side[0] - robot_position)
        coins_collected += len(robot_left_side)
        break

    distance_to_left_coin = abs(robot_left_side[-1]-robot_position)
    distance_to_right_coin = abs(robot_right_side[-1]-robot_position)

    if(distance_to_left_coin == distance_to_right_coin):
        break
    

    if(distance_to_left_coin < distance_to_right_coin):
        amount_moved += abs(robot_left_side[-1] - robot_position)
        coins_collected += 1

        robot_position = robot_left_side[-1]
        robot_left_side.pop()
        
    else:
        amount_moved += abs(robot_right_side[-1] - robot_position)
        coins_collected += 1
        
        robot_position = robot_right_side[-1]
        robot_right_side.pop()
    

print(amount_moved, coins_collected)

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:

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

correct output
0 0

user output
(empty)

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:

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)