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[python] SWEA - 3750. Digit sum
Algorithm Problem/Python

[python] SWEA - 3750. Digit sum

2020. 12. 22. 14:09
๋ฐ˜์‘ํ˜•

๐Ÿค”๋ฌธ์ œ ํ•ด๊ฒฐ

  • D3 | ๋ฌธ์ž์—ด

๐Ÿ’จ ๊ฒฐ๊ณผ๊ฐ€ ํ•œ์ž๋ฆฌ ์ˆซ์ž๊ฐ€ ๋  ๋•Œ๊นŒ์ง€ ๊ฐ ์ž๋ฆฌ์˜ ์ˆซ์ž๋ฅผ ๋”ํ•ด์ค€๋‹ค.

๐Ÿ’จ SWEA ๋Š” ๋ชจ๋“  ์ž…๋ ฅ์„ ๋ฐ›๊ณ  ๊ณ„์‚ฐํ•˜๊ณ  ๋ชจ๋“  ์ถœ๋ ฅ์„ ํ•˜๋Š”๊ฒŒ ๋” ๋น ๋ฅด๋‹ค.

๐Ÿ’จ ์•Œ๊ณ ๋ฆฌ์ฆ˜์˜ ์„ฑ๋Šฅ ์ฐจ์ด๋ผ๊ธฐ ๋ณด๋‹ค ํ…Œ์ŠคํŠธํ•˜๋Š” ์‹œ๊ฐ„์˜ ์ดˆ๊ณผ์ธ๋“ฏ ํ•˜๋‹ค.

 

๐Ÿ’ป์†Œ์Šค ์ฝ”๋“œ

# ์ธํ’‹๊ฐ’ ์ „๋ถ€ ๋ฐ›๊ธฐ
T = int(input())
numbers = [input() for _ in range(T)]

# ๊ณ„์‚ฐํ•˜๊ธฐ
results = []
for tc in range(T):
    number = numbers[tc]
    answer = 0
    while True:
        sum_num = 0
        for n in number:
            sum_num += int(n)
        
        if sum_num > 9:  # ๊ฒฐ๊ณผ๊ฐ’์ด ๋‘์ž๋ฆฌ ์ˆ˜ ์ด๋ฉด ๋‹ค์‹œ ๋ถ„ํ•ดํ•ด์„œ ๋”ํ•˜๊ธฐ
            number = str(sum_num)
        else:
            answer = sum_num
            break
    results.append(answer)

# ๊ฒฐ๊ณผ ์ถœ๋ ฅํ•˜๊ธฐ
for tc in range(T):
    print(f'#{tc+1} {results[tc]}')
 

๐Ÿ“•๋ฌธ์ œ ํ™•์ธ

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