Algorithm Problem/Python

[python] SWEA - 6692. ๋‹ค์†”์ด์˜ ์›”๊ธ‰ ์ƒ์ž

deo2kim 2020. 11. 20. 10:20
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๐Ÿค”๋ฌธ์ œ ํ•ด๊ฒฐ

  • D3 | ...

๐Ÿ’จ ์™œ D3์ธ์ง€ ๋ชจ๋ฅด๊ฒ ์ง€๋งŒ, ์•„๋งˆ ์†Œ์ˆ˜์  ์ปจํŠธ๋กค ๋•Œ๋ฌธ์— D3 ์ธ๊ฐ€ ์‹ถ๊ธฐ๋„ ํ•˜๋‹ค.

๐Ÿ’จ ๋‚˜์˜ ๊ฒฝ์šฐ p ์™€ x ๋ฅผ ๊ทธ๋ƒฅ float ์œผ๋กœ ๋ฐ”๊ฟจ๋Š”๋ฐ ๊ณ„์† ์˜ค๋‹ต์ด ๋‚ฌ๋‹ค.

๐Ÿ’จ p ๋Š” float, x  ๋Š” int ๋กœ ํ•˜๋‹ˆ๊น ๋ฐ”๋กœ ํ†ต๊ณผ

 

๐Ÿ’ป์†Œ์Šค ์ฝ”๋“œ

for tc in range(int(input())):
    N = int(input())

    avg = 0
    for _ in range(N):
        tmp = input().split()
        p = float(tmp[0])
        x = int(tmp[1])
        avg += p * x

    # print(f'#{tc + 1} {total:6f}')
    print(f'#{tc + 1} {avg:.6f}')

๐Ÿ“•๋ฌธ์ œ ํ™•์ธ

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