[백준온라인저지] 2816 - 디지털 티비

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https://www.acmicpc.net/problem/2816

2816번: 디지털 티비

 

import sys

cs = []

result = ''

n = int(sys.stdin.readline())

for i in range(n):
    c = input()
    cs.append(c)

kbs1_index = cs.index('KBS1')

for i in range(kbs1_index):
    result += '1'

for i in range(kbs1_index):
    result += '4'

for i in range(kbs1_index, 0, -1):
    tmp = cs[i-1]
    cs[i-1] = cs[i]
    cs[i] = tmp

kbs2_index = cs.index('KBS2')

for i in range(kbs2_index):
    result += '1'

for i in range(kbs2_index-1):
    result += '4'

print(result)