CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:paju
Submission time:2024-10-29 14:14:54 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2details
#2ACCEPTED0.04 s1, 2details
#30.04 s1, 2details
#4ACCEPTED0.04 s1, 2details
#50.04 s1, 2details
#6ACCEPTED0.04 s1, 2details
#7ACCEPTED0.04 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#100.05 s1, 2details
#11ACCEPTED0.04 s1, 2details
#120.05 s2details
#13ACCEPTED0.05 s2details
#14ACCEPTED0.06 s2details
#150.06 s2details
#16ACCEPTED0.05 s2details
#17ACCEPTED0.05 s2details
#180.06 s2details
#190.36 s2details
#20ACCEPTED0.06 s2details
#210.04 s2details
#220.05 s2details
#23--2details
#24ACCEPTED0.06 s2details

Code

huoneet = int(input()) -1
layout = input()
askeleet = 0
kolikot = 0
robostart = layout.find("R")
kolikot1 = []
kolikot2 = []
lähinkolikko = 0

for i in range(0, robostart):
    if layout[i] == "*":
        kolikot1.append(robostart - i)

for i in range(robostart, huoneet):
    if layout[i] == "*":
        kolikot2.append(i-robostart)
if kolikot1:
    lähinvasen = kolikot1[-1]
if kolikot2:
    lähinoike = kolikot2[0]
robopos = 0
while True:
    if not kolikot1 and not kolikot2:
        break
    elif not kolikot2:
        lähinkolikko = lähinvasen
        askeleet += lähinkolikko
        kolikot += 1
        kolikot1.pop(-1)
        robopos -= lähinkolikko
        if kolikot1:
            lähinvasen = kolikot1[-1] + robopos
    elif not kolikot1:
        lähinkolikko = kolikot2[0]
        askeleet += lähinkolikko
        kolikot += 1
        kolikot2.pop(0)
        robopos += lähinkolikko
        if kolikot2:
            lähinoike = kolikot2[0] + robopos
    elif lähinvasen < lähinoike:
        lähinkolikko = lähinvasen
        kolikot1.pop(-1)
        askeleet += lähinkolikko
        kolikot += 1
        robopos -= lähinkolikko
        if kolikot1:
            lähinvasen = kolikot1[-1] + robopos
        if kolikot2:
            lähinoike = kolikot2[0] - robopos
    elif lähinvasen > lähinoike:
        lähinkolikko = lähinoike
        kolikot2.pop(0)
        askeleet += lähinkolikko
        kolikot += 1
        robopos += lähinkolikko
        if kolikot1:
            lähinvasen = kolikot1[-1] + robopos
        if kolikot2:
            lähinoike = kolikot2[0] - robopos
    elif lähinvasen == lähinvasen:
        break

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:

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

correct output
12 5

user output
12 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
4431 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:

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

correct output
999 999

user output
498501 998

Test 11

Group: 1, 2

Verdict: ACCEPTED

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

correct output
999 999

user output
999 999

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
4047781 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
49985001 9998

Test 16

Group: 2

Verdict: ACCEPTED

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

correct output
9999 9999

user output
9999 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
251164648 10000

Test 19

Group: 2

Verdict:

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

correct output
299998 100000

user output
299996 99999

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
288471 3

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
500722570 5000

Test 23

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)

Test 24

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999