CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:hasorez
Submission time:2024-10-28 14:23:51 +0200
Language:Python3 (PyPy3)
Status:READY
Result:30
Feedback
groupverdictscore
#1ACCEPTED30
#20
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2details
#2ACCEPTED0.04 s1, 2details
#3ACCEPTED0.04 s1, 2details
#4ACCEPTED0.04 s1, 2details
#5ACCEPTED0.04 s1, 2details
#6ACCEPTED0.04 s1, 2details
#7ACCEPTED0.04 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#10ACCEPTED0.05 s1, 2details
#11ACCEPTED0.05 s1, 2details
#12ACCEPTED0.11 s2details
#13ACCEPTED0.10 s2details
#14ACCEPTED0.95 s2details
#15--2details
#16--2details
#17ACCEPTED0.06 s2details
#18--2details
#19--2details
#20ACCEPTED0.06 s2details
#21ACCEPTED0.07 s2details
#22--2details
#23--2details
#24--2details

Code

_ = int(input())
mappi = [char for char in input()]
askeleet = 0
kolikot = 0

def lähin_kolikkohuone(mappi, robotti_huone_idx):
    vasen_puoli = mappi[:robotti_huone_idx]
    vasen_puoli.reverse()
    try:
        vasen_lähin = vasen_puoli.index("*")
        vasen_lähin = len(vasen_puoli) - (vasen_lähin+1)
    except Exception:
        vasen_lähin = -1

    oikea_puoli = mappi[robotti_huone_idx+1:]
    try:
        oikea_lähin = oikea_puoli.index("*")
        oikea_lähin += len(mappi[:robotti_huone_idx+1])
    except Exception:
        oikea_lähin = -1
    kolikko_idx = -1
    vasen_lähin_dist = abs(vasen_lähin-robotti_huone_idx) if vasen_lähin != -1 else float("inf")
    oikea_lähin_dist = abs(oikea_lähin-robotti_huone_idx) if oikea_lähin != -1 else float("inf")
    if vasen_lähin_dist == oikea_lähin_dist:
        return kolikko_idx
    elif vasen_lähin_dist < oikea_lähin_dist:
        kolikko_idx = vasen_lähin
    else:
        kolikko_idx = oikea_lähin
    return kolikko_idx

while True:
    robotti_huone_idx = mappi.index("R")
    kolikko_idx = lähin_kolikkohuone(mappi, robotti_huone_idx)
    if kolikko_idx == -1:
        break
    askeleet += abs(kolikko_idx-robotti_huone_idx)
    kolikot += 1
    mappi[robotti_huone_idx] = "."
    mappi[kolikko_idx] = "R"

print(askeleet, kolikot)

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: 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: 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: ACCEPTED

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

correct output
10971 999

user output
10971 999

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
(empty)

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

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: ACCEPTED

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

correct output
133765 3

user output
133765 3

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
(empty)