[SWEA - D3] 1215. ํšŒ๋ฌธ1

2023. 5. 1. 15:35ยทAlgorithm/SWEA

 

 

๋‚˜์˜ ์ฝ”๋“œ

for t in range(1,11):
    length = int(input())
    arr = []
    cnt = 0
    for _ in range(8):
        arr.append(input())
    
    for j in range(8):
        b = [i[j] for i in arr]
        for i in range(0,9-length):
            if list(arr[j][i:length+i]) == list(reversed(arr[j][i:length+i])):
                cnt += 1
            if list(b[i:length+i]) == list(reversed(b[i:length+i])):
                cnt += 1
   
    print("#"+str(t) , cnt)

 

 

2์ฐจ์› ๋ฐฐ์—ด์—์„œ ํ–‰ ์ถœ๋ ฅํ•˜๊ธฐ 

a = [
    [0, 1],
    [2, 3],
    [4, 5],
    [6, 7],
    [8, 9],
]


b = [i[0] for i in a]
print(b)
# [0, 2, 4, 6, 8]

 

 

๋ฆฌ์ŠคํŠธ ์š”์†Œ ๋’ค์ง‘๊ธฐ 

list = [0,1,2,3,4]
list.reverse()
 
print(list)
 
# [4,3,2,1,0]


lst = [1,2,3,4,5]
print(list(reversed(lst)))
 
# [5,4,3,2,1]

 

reverse() : ๋ฉ”์†Œ๋“œ๋Š” ๋ฐ˜ํ™˜ ๊ฐ’์ด ์—†์ง€๋งŒ, ๋ฆฌ์ŠคํŠธ์— ์žˆ๋Š” ๋‚ด์šฉ๋ฌผ์˜ ์ˆœ์„œ๋ฅผ ๋’ค์ง‘์Šต๋‹ˆ๋‹ค.

 

reversed() : ‘reversed’ ๊ฐ์ฒด๋ฅผ ๋ฐ˜ํ™˜ํ•œ๋‹ค. ๋ฐ˜ํ™˜ ๋ฐ›์œผ๋ ค๋ฉด list ๋กœ ๋ฐ”๊พธ์–ด ์‚ฌ์šฉํ•˜์ž . 

 

 

 if char == char[::-1]:

 

[::-1] ์œผ๋กœ ๋ฌธ์žฅ์˜ ์—ญ์ˆœ์„ ์‰ฝ๊ฒŒ ๊ตฌํ•  ์ˆ˜ ์žˆ๋‹ค.

 

 

 

์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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[SWEA - D3] 1215. ํšŒ๋ฌธ1
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