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[python] pow, ์ œ๊ณฑ, ๊ฑฐ๋“ญ์ œ๊ณฑ๊ณผ ๋‚˜๋จธ์ง€
Programming language/Python

[python] pow, ์ œ๊ณฑ, ๊ฑฐ๋“ญ์ œ๊ณฑ๊ณผ ๋‚˜๋จธ์ง€

2020. 8. 28. 20:06
๋ฐ˜์‘ํ˜•

๐Ÿ“— ํŒŒ์ด์ฌ์—์„œ ๊ฑฐ๋“ญ์ œ๊ณฑ๊ณผ ๋‚˜๋จธ์ง€๋ฅผ ๊ตฌํ•  ๋•Œ! ์†๋„ ์ฐจ์ด

๐Ÿ”ต pow(a,b) vs a**b

100์˜ 100์Šน์„ ๊ตฌํ•  ๋•Œ

์ž…๋ ฅ ๋ฐฉ๋ฒ• ์†๋„
100**100 0.8038559000000001
pow(100, 100) 0.8454946999999997

- ๊ฑฐ๋“ญ์ œ๊ณฑ์„ ํ–ˆ์„ ๋•Œ๋Š” ** ์„ ์“ฐ๋Š”๊ฒƒ์ด ์กฐ๊ธˆ ๋” ๋น ๋ฅด๋‹ค.

ํ•˜์ง€๋งŒ!!

๐Ÿ”ต pow(a,b,c) vs a**b%c

100์˜ 100์Šน์„ 100์œผ๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€๋ฅผ ๊ตฌํ•  ๋•Œ

์ž…๋ ฅ ๋ฐฉ๋ฒ• ์†๋„
100**100%100 1.1507907
pow(100, 100, 100) 0.6850590000000001

- ๋‚˜๋จธ์ง€๊นŒ์ง€ ํ–ˆ์„ ๋•Œ๋Š” pow๊ฐ€ ํ›จ์”ฌ ๋น ๋ฅด๋‹ค!! pow๋ฅผ ์จ๋ณด์ž

 

๐Ÿ”ต ์˜ˆ์™ธ...

1000์˜ 1์Šน์„ 100์œผ๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€

์ž…๋ ฅ ๋ฐฉ๋ฒ• ์†๋„
100**10%10 0.007485599999999995
pow(100,10,10) 0.682323

- ์ž‘์€ ์ˆ˜๋ฅผ ๊ณ„์‚ฐํ•  ๋•Œ๋Š” pow๊ฐ€ ๋А๋ฆฌ๋‹ค.... ๐Ÿ˜“๐Ÿ˜“๐Ÿ˜“๐Ÿ˜“๐Ÿ˜“ ํฐ ์ˆ˜๋ฅผ ๊ณ„์‚ฐํ•  ๋•Œ๋งŒ ์“ฐ์ž (pow๋Š” ์†๋„๊ฐ€ ํฌ๊ฒŒ ๋ณ€ํ•จ์ด ์—†๋‹ค)


์ฐธ๊ณ : https://www.programiz.com/python-programming/methods/built-in/pow

 

Python pow()

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www.programiz.com

pow() Parameters

The pow() function takes three parameters:

  • x - a number, the base
  • y - a number, the exponent
  • z (optional) - a number, used for modulus

Hence,

  • pow(x, y) is equal to x**y
  • pow(x, y, z) is equal to x**y % z
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