[BOJ 2501] ์•ฝ์ˆ˜ ๊ตฌํ•˜๊ธฐ 

 

1. ๋ฌธ์ œ : Link

N๊ฐ’์ด ์ฃผ์–ด์กŒ์„ ๋•Œ N์˜ ์•ฝ์ˆ˜ ์ค‘์—์„œ K๋ฒˆ์งธ ์ˆ˜๋ฅผ ๊ตฌํ•˜๋Š” ๋ฌธ์ œ

 

2. ํ’€์ด

๋ฐ˜๋ณต๋ฌธ ๋Œ๋ ค์„œ if๋ฌธ์œผ๋กœ count ๋Œ€์กฐํ•ด์„œ ํ’€์—ˆ๋‹ค.

 

3. ์ฝ”๋“œ

a, b = map(int, input().split())
cnt = 0
for i in range(1, a+1):
    if a % i == 0:
        cnt += 1
    if cnt == b:
        print(i)
        exit(0)
print(0)
  • ๋„ค์ด๋ฒ„ ๋ธ”๋Ÿฌ๊ทธ ๊ณต์œ ํ•˜๊ธฐ
  • ๋„ค์ด๋ฒ„ ๋ฐด๋“œ์— ๊ณต์œ ํ•˜๊ธฐ
  • ํŽ˜์ด์Šค๋ถ ๊ณต์œ ํ•˜๊ธฐ
  • ์นด์นด์˜ค์Šคํ† ๋ฆฌ ๊ณต์œ ํ•˜๊ธฐ