CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:PMak
Submission time:2024-10-28 00:30:42 +0200
Language:Python3 (CPython3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1, 2details
#2ACCEPTED0.02 s1, 2details
#30.02 s1, 2details
#4ACCEPTED0.02 s1, 2details
#50.02 s1, 2details
#60.02 s1, 2details
#70.02 s1, 2details
#8ACCEPTED0.02 s1, 2details
#9ACCEPTED0.02 s1, 2details
#100.02 s1, 2details
#110.03 s1, 2details
#120.02 s2details
#130.03 s2details
#140.08 s2details
#150.04 s2details
#160.82 s2details
#17ACCEPTED0.07 s2details
#180.29 s2details
#19--2details
#20ACCEPTED0.07 s2details
#210.07 s2details
#220.08 s2details
#23--2details
#24--2details

Code

n = int(input())
s = input()
coin = []

pos = 0
for i in range(len(s)):
    if s[i] == '*':
        coin.append(i)
    elif s[i] == 'R':
        coin.append(i)
        pos = len(coin)-1

# print(coin, pos)
steps, coins = 0, 0
while (True):
    if len(coin) == 1:
        coins += 1
        # steps += abs(pos-coin[0])
        break
    d1, d2 = 0, 0
    if (pos >= len(coin)-1):
        d1 = abs(coin[pos]-coin[pos-1])
        coins += 1
        steps += d1
        pos -= 1
        coin.remove(coin[pos])
    else:
        d1 = abs(coin[pos]-coin[pos-1])
        d2 = abs(coin[pos]-coin[pos+1])
        if d1 == d2:
            coins += 1
            break
        elif (d1 < d2):
            coins += 1
            steps += d1
            coin.remove(coin[pos])
            pos -= 1
        else:
            coins += 1
            steps += d2
            coin.remove(coin[pos])
print(steps, coins-1)
    

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
11 4

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
764 8

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
3691 9

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
180597 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
998 998

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
499500 999

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
10925 998

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
4991815 999

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
6168829 5000

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
9998 9998

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
49995000 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
299929 9999

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
84564 2

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
199940 4999

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)