CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:hertsu
Submission time:2024-10-28 18:56:31 +0200
Language:Python3 (CPython3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1, 2details
#2ACCEPTED0.02 s1, 2details
#3ACCEPTED0.02 s1, 2details
#4ACCEPTED0.02 s1, 2details
#5ACCEPTED0.02 s1, 2details
#6ACCEPTED0.02 s1, 2details
#70.02 s1, 2details
#8ACCEPTED0.02 s1, 2details
#9ACCEPTED0.02 s1, 2details
#10ACCEPTED0.02 s1, 2details
#11ACCEPTED0.02 s1, 2details
#120.02 s2details
#13ACCEPTED0.02 s2details
#140.02 s2details
#15ACCEPTED0.02 s2details
#16ACCEPTED0.02 s2details
#17ACCEPTED0.03 s2details
#180.04 s2details
#190.11 s2details
#20ACCEPTED0.06 s2details
#21ACCEPTED0.03 s2details
#22ACCEPTED0.04 s2details
#23ACCEPTED0.05 s2details
#24ACCEPTED0.05 s2details

Code

n = int(input())
[left_spaces, right_spaces] = input().split("R")
left_coins = [index+1 for index, space in enumerate(left_spaces[::-1]) if space == "*"][::-1]
right_coins = [index+1 for index, space in enumerate(right_spaces) if space == "*"][::-1]
robot_pos = 0
coins = 0
steps = 0

while True:
    if len(left_coins)==0 and len(right_coins)==0:
        break
    if len(right_coins)==0:
        coins += len(left_coins)
        steps += left_coins[0]+robot_pos
        break
    elif len(left_coins)==0:
        coins += len(right_coins)
        steps += right_coins[0]-robot_pos
        break
    elif left_coins[-1]+robot_pos==right_coins[-1]-robot_pos:
        break
    elif left_coins[-1]+robot_pos<right_coins[-1]:
        coins += 1
        steps += left_coins[-1]+robot_pos
        robot_pos = -left_coins[-1]
        left_coins.pop(-1)
    else:
        coins += 1
        steps += right_coins[-1]-robot_pos
        robot_pos = right_coins[-1]
        right_coins.pop(-1)
print(steps, coins)

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:

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

correct output
1287 400

user output
1738 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:

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

correct output
10971 999

user output
19660 999

Test 13

Group: 2

Verdict: ACCEPTED

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

correct output
9999 999

user output
9999 999

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
22634 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
317415 10000

Test 19

Group: 2

Verdict:

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

correct output
299998 100000

user output
300721 100000

Test 20

Group: 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

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: ACCEPTED

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

correct output
199999 199999

user output
199999 199999

Test 24

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999