CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:hertsu
Submission time:2024-10-28 18:49:32 +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
#110.04 s1, 2details
#120.05 s2details
#130.04 s2details
#140.06 s2details
#150.05 s2details
#160.05 s2details
#170.05 s2details
#180.06 s2details
#190.08 s2details
#200.08 s2details
#210.05 s2details
#220.05 s2details
#230.09 s2details
#240.09 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
print(left_coins, right_coins)

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:

input
1
R

correct output
0 0

user output
[] []
0 0

Test 2

Group: 1, 2

Verdict:

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
[3, 2] [6, 5, 4]
12 5

Test 4

Group: 1, 2

Verdict:

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

correct output
0 0

user output
[3, 2, 1] [6, 5, 4, 3, 2, 1]
0 0

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
[] [947, 764, 594, 573, 494, 4...

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
[886, 768, 470, 388, 291, 287,...

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
[695, 692, 687, 686, 683, 682,...

Test 8

Group: 1, 2

Verdict:

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

correct output
0 0

user output
[314, 313, 312, 311, 310, 309,...

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output
[314, 313, 312, 311, 310, 309,...

Test 10

Group: 1, 2

Verdict:

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

correct output
999 999

user output
[] [999, 998, 997, 996, 995, 9...

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
[999, 998, 997, 996, 995, 994,...

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
[992, 991, 982, 970, 958, 943,...

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
[9999, 9996, 9991, 9984, 9978,...

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
[1234, 1232, 1230, 1226, 1225,...

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
[] [9999, 9998, 9997, 9996, 99...

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
[9999, 9998, 9997, 9996, 9995,...

Test 17

Group: 2

Verdict:

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

correct output
0 0

user output
[] []
0 0

Test 18

Group: 2

Verdict:

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

correct output
299934 10000

user output
[99955, 99952, 99923, 99920, 9...

Test 19

Group: 2

Verdict:

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

correct output
299998 100000

user output
[100000, 99999, 99997, 99996, ...

Test 20

Group: 2

Verdict:

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

correct output
0 0

user output
[100000, 99999, 99998, 99997, ...

Test 21

Group: 2

Verdict:

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

correct output
133765 3

user output
[] [133765, 84564, 70142]
133765 3

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
[] [199982, 199940, 199897, 19...

Test 23

Group: 2

Verdict:

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

correct output
199999 199999

user output
[] [199999, 199998, 199997, 19...

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
[199999, 199998, 199997, 19999...