CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Emil
Submission time:2024-10-29 23:30:22 +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
#5ACCEPTED0.05 s1, 2details
#6ACCEPTED0.05 s1, 2details
#7ACCEPTED0.09 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#10ACCEPTED0.27 s1, 2details
#11ACCEPTED0.26 s1, 2details
#12--2details
#13--2details
#14--2details
#15--2details
#16--2details
#17ACCEPTED0.09 s2details
#18--2details
#19--2details
#20ACCEPTED0.08 s2details
#21ACCEPTED0.20 s2details
#22--2details
#23--2details
#24--2details

Code

n = int(input())
r = tuple(input())


is_coin_right = True
is_coin_left = True
steps = 0
coins = 0

for i in range(n):
	if r[i] == "R":
		s = i


for i in range(n):
	right = s + 1
	left = n - s
	for i in range(right):
		if r[s-i] == "*":
			coin_right = i
			#print("right",coin_right)
			break
		elif i+1 == right:
			#print("no coins right side")
			is_coin_right = False
			coin_right = n+1
			break

	for i in range(left):
		if r[s+i] == "*":
			coin_left = i
			#print("left",coin_left)
			break
		elif i+1 == left:
			#print("no coins left side")
			is_coin_left = False
			coin_left = n+1
			break

	if coin_right<coin_left:
		steps +=coin_right
		coins +=1
		r = list(r)
		r[s-coin_right] = "R"
		r = tuple(r)
		s = s-coin_right

	elif coin_right>coin_left:
		steps +=coin_left
		coins +=1
		r = list(r)
		r[s+coin_left] = "R"
		r = tuple(r)
		s = s+coin_left

	elif coin_right == coin_left:
		print(steps,coins)
		break
	elif is_coin_left == False and is_coin_right == False:
		print(steps,coins)
		break
	


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:

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

correct output
10971 999

user output
(empty)

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
(empty)

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
(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)