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๐Ÿ–ฅ๏ธSW Engineer/Algorithm

[๋ฐฑ์ค€]1920 - ์ˆ˜ ์ฐพ๊ธฐ

2023. 5. 19. 14:13

https://www.acmicpc.net/problem/1920

 

1920๋ฒˆ: ์ˆ˜ ์ฐพ๊ธฐ

์ฒซ์งธ ์ค„์— ์ž์—ฐ์ˆ˜ N(1 ≤ N ≤ 100,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‹ค์Œ ์ค„์—๋Š” N๊ฐœ์˜ ์ •์ˆ˜ A[1], A[2], …, A[N]์ด ์ฃผ์–ด์ง„๋‹ค. ๋‹ค์Œ ์ค„์—๋Š” M(1 ≤ M ≤ 100,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‹ค์Œ ์ค„์—๋Š” M๊ฐœ์˜ ์ˆ˜๋“ค์ด ์ฃผ์–ด์ง€๋Š”๋ฐ, ์ด ์ˆ˜๋“ค

www.acmicpc.net

N = int(input())
A = set(map(int, input().split()))
M = int(input())
B = list(map(int, input().split()))

for i in range(M):
    if B[i] in A :
        print(1)
    else:
        print(0)

https://xzio.tistory.com/1828

 

์ž๋ฃŒ ๊ตฌ์กฐ List, Set, Map์˜ ์ฐจ์ด / Set๊ณผ Map ๋น„๊ต

์ž๋ฃŒ๊ตฌ์กฐ๋Š” list, stack, queue, hash table์ด ์žˆ๋‹ค. ๊ทธ ์ค‘์—์„œ list, set, map์˜ ์ฐจ์ด์ ์— ๋Œ€ํ•ด ์•Œ์•„๋ณด์ž 1. List : ์ €์žฅ๊ณต๊ฐ„์ด ํ•„์š”์— ์˜ํ•ด ์ž๋™์œผ๋กœ ๋Š˜์–ด๋‚œ๋‹ค ( ์ˆœ์„œ๊ฐ€ ์žˆ๋Š” ์ €์žฅ๊ณต๊ฐ„ ) * ํŠน์ง• : ์ˆœ์„œ๊ฐ€ ์žˆ๊ณ ,

xzio.tistory.com

์ˆœ์„œ๊ฐ€ ์ค‘์š”ํ•˜์ง€ ์•Š์€ ๊ฒฝ์šฐ์—๋Š” set์ž๋ฃŒํ˜•์„ ์ด์šฉํ•˜๋Š”๊ฒŒ ๊ฒ€์ƒ‰ํ•˜๋Š” ์†๋„๊ฐ€ ํ›จ์”ฌ ๋น ๋ฅด๋‹ค.
์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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