๋ฐฑ์ค€/Python

[Python] ๋ฐฑ์ค€ 11650๋ฒˆ

๋‹ค๋ธ”๐Ÿ’ 2022. 5. 31. 01:21

11650๋ฒˆ. ์ขŒํ‘œ ์ •๋ ฌํ•˜๊ธฐ (silver 5)

2์ฐจ์› ํ‰๋ฉด ์œ„์˜ ์  N๊ฐœ๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. ์ขŒํ‘œ๋ฅผ x์ขŒํ‘œ๊ฐ€ ์ฆ๊ฐ€ํ•˜๋Š” ์ˆœ์œผ๋กœ, x์ขŒํ‘œ๊ฐ€ ๊ฐ™์œผ๋ฉด y์ขŒํ‘œ๊ฐ€ ์ฆ๊ฐ€ํ•˜๋Š” ์ˆœ์„œ๋กœ ์ •๋ ฌํ•œ ๋‹ค์Œ ์ถœ๋ ฅํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์„ ์ž‘์„ฑํ•˜์‹œ์˜ค.

 

์ž…๋ ฅ

์ฒซ์งธ ์ค„์— ์ ์˜ ๊ฐœ์ˆ˜ N (1 ≤ N ≤ 100,000)์ด ์ฃผ์–ด์ง„๋‹ค. ๋‘˜์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์—๋Š” i๋ฒˆ์ ์˜ ์œ„์น˜ xi์™€ yi๊ฐ€ ์ฃผ์–ด์ง„๋‹ค. (-100,000 ≤ xi, yi ≤ 100,000) ์ขŒํ‘œ๋Š” ํ•ญ์ƒ ์ •์ˆ˜์ด๊ณ , ์œ„์น˜๊ฐ€ ๊ฐ™์€ ๋‘ ์ ์€ ์—†๋‹ค.

 

์ถœ๋ ฅ

์ฒซ์งธ ์ค„๋ถ€ํ„ฐ N๊ฐœ์˜ ์ค„์— ์ ์„ ์ •๋ ฌํ•œ ๊ฒฐ๊ณผ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค.

 

์˜ˆ์ œ ์ž…๋ ฅ1

5
3 4
1 1
1 -1
2 2
3 3

์˜ˆ์ œ ์ถœ๋ ฅ1

1 -1
1 1
2 2
3 3
3 4

 

 

 

์ž…๋ ฅ๋ฐ›์„ ์ ์˜ ๊ฐœ์ˆ˜ dot์„ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค.

xi์™€ yi๋ฅผ ์ €์žฅํ•  ๋ฆฌ์ŠคํŠธ numbers๋ฅผ ์ดˆ๊ธฐํ™”ํ•˜๊ณ  for๋ฌธ์„ ์‚ฌ์šฉํ•ด์„œ ์ž…๋ ฅ๋ฐ›์€ x์™€ y๊ฐ’์„ ๋ฆฌ์ŠคํŠธ์— ์ถ”๊ฐ€ํ•ด์ค€๋‹ค.

s_numbers์— numbers๋ฅผ ์˜ค๋ฆ„์ฐจ์ˆœ ์ •๋ ฌํ•œ ๊ฐ’์„ ์ €์žฅํ•œ ๋’ค, for๋ฌธ์„ ์‚ฌ์šฉํ•ด์„œ x,y๋ฅผ ์ˆœ์„œ๋Œ€๋กœ ์ถœ๋ ฅํ•˜๋ฉด ๋œ๋‹ค.

 

dot = int(input())
numbers = []
for i in range(dot):
    x, y = map(int, input().split())
    numbers.append([x, y])

s_numbers = sorted(numbers)
for x, y in s_numbers:
    print(x, y)

 

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