CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:osmukka
Submission time:2024-11-04 13:17:49 +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
#70.04 s1, 2details
#80.04 s1, 2details
#90.04 s1, 2details
#100.04 s1, 2details
#110.05 s1, 2details
#120.05 s2details
#130.05 s2details
#140.05 s2details
#150.08 s2details
#160.05 s2details
#170.06 s2details
#180.06 s2details
#190.08 s2details
#200.07 s2details
#21--2details
#22--2details
#23--2details
#240.08 s2details

Code


amount = int(input())
rooms = input()
coin_rooms = []
robot_index = None
steps = 0
coins = 0

# Parse input.
for i in range(amount):
    coin_rooms.append(i)
    if rooms[i] == '*':
        coin_rooms.append(i)
    elif rooms[i] == 'R':
        robot_index = len(coin_rooms)
        coin_rooms.append(i)


for i in range(amount):
    d_left  = coin_rooms[robot_index]-coin_rooms[robot_index-1] if robot_index > 0                 else 999999
    d_right = coin_rooms[robot_index+1]-coin_rooms[robot_index] if robot_index < len(coin_rooms)-1 else 999999

    if d_left < d_right:
        steps += d_left
        del coin_rooms[robot_index]
        robot_index -= 1

    elif d_right < d_left:
        steps += d_right
        del coin_rooms[robot_index]

    elif d_left == d_right:
        break
    coins += 1

    
    

print(steps, coins)

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
0 1

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0 1

Test 3

Group: 1, 2

Verdict:

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

correct output
12 5

user output
0 1

Test 4

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0 1

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
990 1000

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
990 1000

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
0 1

Test 8

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0 1

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0 1

Test 10

Group: 1, 2

Verdict:

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

correct output
999 999

user output
500 1000

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
500 1000

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
0 1

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
9095 10000

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
0 1

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
5000 10000

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
5000 10000

Test 17

Group: 2

Verdict:

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

correct output
0 0

user output
0 1

Test 18

Group: 2

Verdict:

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

correct output
299934 10000

user output
0 1

Test 19

Group: 2

Verdict:

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

correct output
299998 100000

user output
0 1

Test 20

Group: 2

Verdict:

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

correct output
0 0

user output
0 1

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
100000 200000