CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:noitamonni
Submission time:2024-10-30 07:16:12 +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
#40.02 s1, 2details
#50.02 s1, 2details
#60.02 s1, 2details
#70.03 s1, 2details
#80.02 s1, 2details
#90.02 s1, 2details
#100.07 s1, 2details
#110.07 s1, 2details
#120.07 s2details
#130.07 s2details
#140.00 s2details
#150.00 s2details
#160.00 s2details
#17ACCEPTED0.05 s2details
#180.00 s2details
#190.00 s2details
#200.10 s2details
#210.05 s2details
#220.00 s2details
#230.00 s2details
#240.00 s2details

Code

import sys
from collections import deque
n, building = sys.stdin.readlines()

total_steps = 0
total_coins = 0

pos = building.index('R')

left_coins = deque([i for i, x in enumerate(building) if x == '*' and i < pos])
right_coins = deque([i for i, x in enumerate(building) if x == '*' and i > pos])

left_coin = pos
right_coin = pos

left_dist = 0
right_dist = 0

# if only left or only right side contains coins, then always go to that coin
# calculate distance to add to steps
while len(left_coins) > 0 or len(right_coins) > 0:
    print(total_steps)
    print(total_coins)
    print(left_coin, left_coins)
    print(right_coin, right_coins)

    if left_coin == pos:
        if len(left_coins) == 0:
            left_coin = 999999999
        else:
            left_coin = left_coins.pop()
        
    if right_coin == pos:
        if len(right_coins) == 0:
            right_coin = 999999999
        else:
            right_coin = right_coins.popleft()

    left_dist = abs(left_coin - pos)
    right_dist = abs(right_coin - pos)

    if left_dist == right_dist:
        break
    elif left_dist < right_dist:
        total_steps += left_dist
        pos = left_coin
        
    else:
        total_steps += right_dist
        pos = right_coin
    
    total_coins += 1

print(total_steps, total_coins)

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
0
0
3 deque([0, 1])
3 deque([7, 8, 9])
2
...

Test 4

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0
0
3 deque([0, 1, 2])
3 deque([4, 5, 6, 7, 8, 9])
0 0

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
0
0
0 deque([])
0 deque([148, 226, 257, 428, 4...

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
0
0
999 deque([113, 231, 529, 611,...

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
0
0
700 deque([5, 8, 13, 14, 17, 1...

Test 8

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0
0
314 deque([0, 1, 2, 3, 4, 5, 6...

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0
0
314 deque([0, 1, 2, 3, 4, 5, 6...

Test 10

Group: 1, 2

Verdict:

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

correct output
999 999

user output
0
0
0 deque([])
0 deque([1, 2, 3, 4, 5, 6, 7, ...

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
0
0
999 deque([0, 1, 2, 3, 4, 5, 6...

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
0
0
999 deque([7, 8, 17, 29, 41, 5...

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
0
0
9999 deque([0, 3, 8, 15, 21, 2...

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:

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

correct output
0 0

user output
0
0
100000 deque([0, 1, 2, 3, 4, 5...

Test 21

Group: 2

Verdict:

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

correct output
133765 3

user output
0
0
0 deque([])
0 deque([70142, 84564, 133765]...

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)