CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:jimii1
Submission time:2024-10-28 23:08:51 +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
#60.07 s1, 2details
#7--1, 2details
#80.04 s1, 2details
#90.04 s1, 2details
#100.05 s1, 2details
#110.07 s1, 2details
#120.04 s2details
#130.07 s2details
#140.04 s2details
#150.49 s2details
#160.07 s2details
#170.06 s2details
#180.06 s2details
#19--2details
#200.06 s2details
#210.06 s2details
#22--2details
#23--2details
#240.09 s2details

Code

pituus = int(input())
merkit = input() 
a = merkit.split("R")
b = list(a[0])
b.reverse()
c = list(a[1])
s = -1
p = 0
z = 0
b.insert(0, '.')
c.insert(0, '.')

while True:

    if "*" in c and "*" in b:
        x = b.index("*")
        y = c.index("*")
        if x + p > y - p:
            c[y] = "."
            p = y 
            s += y+1
            z += 1

        elif  x - p < y + p:
            b[x] = "."
            p = -x 
            s += x+1
            z += 1
        else:
            break

    elif "*" in c:
        y = c.index("*")

        c[y] = "."
        p += y 
        s += y+1
        z += 1
    elif "*" in b:

        b[x] = "."
        p -= x 
        s += x+1
        z += 1
    else:
        break

print(s, z)

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
-1 0

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 3

Group: 1, 2

Verdict:

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

correct output
12 5

user output
2 1

Test 4

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
4439 9

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 41, in <module>
    b[x] = "."
NameError: name 'x' is not defined

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
(empty)

Test 8

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 10

Group: 1, 2

Verdict:

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

correct output
999 999

user output
500498 999

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 41, in <module>
    b[x] = "."
NameError: name 'x' is not defined

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
12 2

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 41, in <module>
    b[x] = "."
NameError: name 'x' is not defined

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
1 1

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
50004998 9999

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 41, in <module>
    b[x] = "."
NameError: name 'x' is not defined

Test 17

Group: 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 18

Group: 2

Verdict:

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

correct output
299934 10000

user output
169 5

Test 19

Group: 2

Verdict:

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

correct output
299998 100000

user output
(empty)

Test 20

Group: 2

Verdict:

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

correct output
0 0

user output
-1 0

Test 21

Group: 2

Verdict:

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

correct output
133765 3

user output
288473 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)

Error:
Traceback (most recent call last):
  File "input/code.py", line 41, in <module>
    b[x] = "."
NameError: name 'x' is not defined