CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Us3rNam3
Submission time:2024-10-30 00:27:51 +0200
Language:Python3 (CPython3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.02 s1, 2details
#20.02 s1, 2details
#30.02 s1, 2details
#40.02 s1, 2details
#50.02 s1, 2details
#60.02 s1, 2details
#70.02 s1, 2details
#80.02 s1, 2details
#90.02 s1, 2details
#100.02 s1, 2details
#110.02 s1, 2details
#120.04 s2details
#130.03 s2details
#140.02 s2details
#150.02 s2details
#160.05 s2details
#17--2details
#18--2details
#190.56 s2details
#200.24 s2details
#21--2details
#22--2details
#230.08 s2details
#240.39 s2details

Code

n = int(input())
structure = input()
og_pos_R = structure.index('R')
left_coins = []
right_coins = []

for i in range(n):
    if structure[i] == '*':
        if i < og_pos_R:
            left_coins.append(i)
    elif og_pos_R < i:
        right_coins.append(i)
    steps = 0
    coins_collected = 0
    current_pos = og_pos_R

while True:
    left_distance = float('inf')if not left_coins else abs(current_pos-left_coins[-1])
    right_distance = float('inf')if not right_coins else abs(current_pos-right_coins[0])
    if left_distance < right_distance:
            
            current_pos = left_coins.pop()
            steps += left_distance
    elif right_distance < left_distance: 
            current_pos = right_coins.pop(0)
            steps += right_distance
    else:   
        break   
    coins_collected += 1
    print(steps, coins_collected)

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
(empty)

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
1 1
2 2
3 3
4 4
5 5
...

Test 3

Group: 1, 2

Verdict:

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

correct output
12 5

user output
1 1
2 2
3 3
8 4
9 5

Test 4

Group: 1, 2

Verdict:

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

correct output
0 0

user output
1 1
2 2
3 3

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
1 1
2 2
3 3
4 4
5 5
...

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
159 1
190 2
252 3
287 4
291 5
...

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
1 1
2 2
4 3
5 4
7 5
...

Test 8

Group: 1, 2

Verdict:

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

correct output
0 0

user output
1 1
2 2
3 3
4 4
5 5
...

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output
1 1
2 2
3 3
4 4
5 5
...

Test 10

Group: 1, 2

Verdict:

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

correct output
999 999

user output
(empty)

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
1 1
2 2
3 3
4 4
5 5
...

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
1 1
2 2
4 3
5 4
6 5
...

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
5 1
21 2
29 3
36 4
38 5
...

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
(empty)

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
1 1
2 2
3 3
4 4
5 5
...

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
2 1
3 2
4 3
6 4
7 5
...

Test 20

Group: 2

Verdict:

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

correct output
0 0

user output
1 1
2 2
3 3
4 4
5 5
...

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
1 1
2 2
3 3
4 4
5 5
...