CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:yo_chico1
Submission time:2024-10-30 21:03:37 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2details
#2ACCEPTED0.04 s1, 2details
#30.89 s1, 2details
#4ACCEPTED0.04 s1, 2details
#50.93 s1, 2details
#6ACCEPTED0.05 s1, 2details
#7ACCEPTED0.04 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#100.04 s1, 2details
#11ACCEPTED0.04 s1, 2details
#120.84 s2details
#13ACCEPTED0.05 s2details
#14ACCEPTED0.09 s2details
#150.04 s2details
#16ACCEPTED0.11 s2details
#17ACCEPTED0.04 s2details
#18--2details
#19--2details
#20ACCEPTED0.04 s2details
#210.94 s2details
#220.97 s2details
#230.04 s2details
#24--2details

Code

n = int(input())  # 20
s = input()  # '..*.R....*'
coins = 0
steps = 0
while True:
    robot_pos = s.find('R')
    left_pos = s[:robot_pos].rfind('*')
    right_pos = s.find('*', robot_pos)
    distance_to_left = robot_pos - left_pos
    distance_to_right = right_pos - robot_pos
    if distance_to_left == distance_to_right or left_pos == right_pos == -1:
        break
    elif distance_to_left < distance_to_right and distance_to_right > 0 or right_pos == -1:
        coins += 1
        steps += distance_to_left
        # print(s)
        s = s[:left_pos] + 'R' + ('.' * distance_to_left) + s[robot_pos + 1:]  # '..*.R....*' --> '..R.....*'
        # print(s)
    elif distance_to_left > distance_to_right and distance_to_left > 0 or left_pos == -1:
        coins += 1
        steps += distance_to_right
        # print(s)
        # s = s[:right_pos - 1] + '.R' + s[right_pos + 1:]  # '.*...R..*.'  --> '.*......R.'
        s = s[:robot_pos] + ('.' * distance_to_right) + 'R' + s[right_pos + 1:]
        # print(s)

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:

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

correct output
12 5

user output
(empty)

Test 4

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
(empty)

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:

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

correct output
999 999

user output
0 0

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
(empty)

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:

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

correct output
9999 9999

user output
0 0

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: ACCEPTED

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

correct output
0 0

user output
0 0

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
0 0

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)