[Softeer - level2] ๊ธˆ๊ณ ํ„ธ์ด

2023. 7. 25. 11:04ยทAlgorithm/Softeer

 

 

import sys
input = sys.stdin.readline

# ๋ฐฐ๋‚ญ ๋ฌด๊ฒŒ ์ œํ•œ W , n์ข…๋ฅ˜์˜ ๊ท€๊ธˆ์†
# ๊ฐ€์žฅ ๋†’์€ ๊ฐ€๊ฒฉ์œผ๋กœ ๋ฐฐ๋‚ญ ์ฑ„์šฐ๊ธฐ 

w,n = map(int,input().split())
total_price = 0

#๋ฆฌ์ŠคํŠธ ์ปดํ”„๋ฆฌํ—จ์…˜
arr = [list(map(int,input().split())) for _ in range(n)]

arr.sort(key = lambda x:x[1],reverse=True)

idx = 0
while w>0:
    if arr[idx][0] >= w:
        total_price += arr[idx][1]*w
        break
    else:
        total_price += arr[idx][0]*arr[idx][1]
        w -= arr[idx][0]
        idx += 1 

print(total_price)

 

์ฒ˜์Œ์— ํ’€๋•Œ๋Š” ๋ฆฌ์ŠคํŠธ๋ฅผ ์ƒ์„ฑํ•ด๋‘๊ณ  

์ž…๋ ฅ๊ฐ’์„ append ํ•˜์˜€๋Š”๋ฐ ์‹œ๊ฐ„์ดˆ๊ณผ๊ฐ€ ๊ณ„์† ๋‚˜์™”๋‹ค.

for _ in range(n):
    a,b = map(int,input().split())
    arr.append((b,a)) # b ๋ฌด๊ฒŒ ์˜ค๋ฆ„์ฐจ์ˆœ ์ •๋ ฌ

 

 

 

 

List Comprehension์˜ ์†๋„๊ฐ€ ๋น ๋ฅธ์ด์œ 

 

TIL.77 List Comprehension์˜ ์†๋„๊ฐ€ ๋น ๋ฅธ์ด์œ 

Python์—๋Š” Comprehension ์ด๋ผ๋Š” ๋…ํŠนํ•œ ๋ฌธ๋ฒ•์ด ์žˆ๋‹ค. ์ด๋Š” ์š”์†Œ๋ฅผ ์ƒ์„ฑํ•˜๋Š”๋ฐ ์žˆ์–ด ๊ฐ„๋ ฅํ•˜๊ฒŒ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์„ ์ œ๊ณตํ•œ๋‹ค. ๋ฆฌ์ŠคํŠธ ์•ˆ์— for ๋ฌธ, if๋ฌธ ๋“ฑ์œผ๋กœ ์ง€์ •ํ•˜์—ฌ ๋ฆฌ์ŠคํŠธ๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๊ฒƒ์„ ๋ฆฌ

codermun-log.tistory.com

 

 

์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

'Algorithm > Softeer' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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[Softeer - level2] ๊ธˆ๊ณ ํ„ธ์ด
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