Robotti

from collections import deque
n = input()
building = input()

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

# 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:
    if len(left_coins) == 0:
        coin = right_coins.popleft()
    elif len(right_coins) == 0:
        coin = left_coins.popleft()
    else:
        left_dist = abs(left_coins[0] - pos)
        right_dist = abs(right_coins[0] - pos)

        if left_dist == right_dist:
            break
        elif left_dist < right_dist:
            coin = left_coins.popleft
        else:
            coin = right_coins.popleft
    

    total_steps += abs(coin - pos)
    total_coins += 1
    pos = coin


print(total_steps, total_coins)

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 1, 2

Verdict: ACCEPTED

Test 3

Group: 1, 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 33, in <module>
    total_steps += abs(coin - pos)
TypeError: unsupported operand type(s) for -: 'builtin_function_or_method' and 'int'

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: ACCEPTED

Test 6

Group: 1, 2

Verdict: ACCEPTED

Test 7

Group: 1, 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 33, in <module>
    total_steps += abs(coin - pos)
TypeError: unsupported operand type(s) for -: 'builtin_function_or_method' and 'int'

Test 8

Group: 1, 2

Verdict: ACCEPTED

Test 9

Group: 1, 2

Verdict: ACCEPTED

Test 10

Group: 1, 2

Verdict: ACCEPTED

Test 11

Group: 1, 2

Verdict: ACCEPTED

Test 12

Group: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 33, in <module>
    total_steps += abs(coin - pos)
TypeError: unsupported operand type(s) for -: 'builtin_function_or_method' and 'int'

Test 13

Group: 2

Verdict: ACCEPTED

Test 14

Group: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 33, in <module>
    total_steps += abs(coin - pos)
TypeError: unsupported operand type(s) for -: 'builtin_function_or_method' and 'int'

Test 15

Group: 2

Verdict: ACCEPTED

Test 16

Group: 2

Verdict: ACCEPTED

Test 17

Group: 2

Verdict: ACCEPTED

Test 18

Group: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 33, in <module>
    total_steps += abs(coin - pos)
TypeError: unsupported operand type(s) for -: 'builtin_function_or_method' and 'int'

Test 19

Group: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 33, in <module>
    total_steps += abs(coin - pos)
TypeError: unsupported operand type(s) for -: 'builtin_function_or_method' and 'int'

Test 20

Group: 2

Verdict: ACCEPTED

Test 21

Group: 2

Verdict: ACCEPTED

Test 22

Group: 2

Verdict: ACCEPTED

Test 23

Group: 2

Verdict: ACCEPTED

Test 24

Group: 2

Verdict: ACCEPTED