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Update 1.py
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Diff for: โ€Ž17/1.py

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INF = int(1e9) # ๋ฌดํ•œ์„ ์˜๋ฏธํ•˜๋Š” ๊ฐ’์œผ๋กœ 10์–ต์„ ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค.
1+
INF = int(1e9) # ๋ฌดํ•œ์„ ์˜๋ฏธํ•˜๋Š” ๊ฐ’์œผ๋กœ 10์–ต์„ ์„ค์ •
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# ๋…ธ๋“œ์˜ ๊ฐœ์ˆ˜ ๋ฐ ๊ฐ„์„ ์˜ ๊ฐœ์ˆ˜๋ฅผ ์ž…๋ ฅ ๋ฐ›์Šต๋‹ˆ๋‹ค.
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# ๋…ธ๋“œ์˜ ๊ฐœ์ˆ˜ ๋ฐ ๊ฐ„์„ ์˜ ๊ฐœ์ˆ˜๋ฅผ ์ž…๋ ฅ๋ฐ›๊ธฐ
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n = int(input())
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m = int(input())
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# 2์ฐจ์› ๋ฆฌ์ŠคํŠธ(๊ทธ๋ž˜ํ”„ ํ‘œํ˜„)๋ฅผ ๋งŒ๋“ค๊ณ , ๋ชจ๋“  ๊ฐ’์„ ๋ฌดํ•œ์œผ๋กœ ์ดˆ๊ธฐํ™”ํ•ฉ๋‹ˆ๋‹ค.
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# 2์ฐจ์› ๋ฆฌ์ŠคํŠธ(๊ทธ๋ž˜ํ”„ ํ‘œํ˜„)๋ฅผ ๋งŒ๋“ค๊ณ , ๋ชจ๋“  ๊ฐ’์„ ๋ฌดํ•œ์œผ๋กœ ์ดˆ๊ธฐํ™”
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graph = [[INF] * (n + 1) for _ in range(n + 1)]
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# ์ž๊ธฐ ์ž์‹ ์—์„œ ์ž๊ธฐ ์ž์‹ ์œผ๋กœ ๊ฐ€๋Š” ๋น„์šฉ์€ 0์œผ๋กœ ์ดˆ๊ธฐํ™”ํ•ฉ๋‹ˆ๋‹ค.
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# ์ž๊ธฐ ์ž์‹ ์—์„œ ์ž๊ธฐ ์ž์‹ ์œผ๋กœ ๊ฐ€๋Š” ๋น„์šฉ์€ 0์œผ๋กœ ์ดˆ๊ธฐํ™”
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for a in range(1, n + 1):
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for b in range(1, n + 1):
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if a == b:
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graph[a][b] = 0
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# ๊ฐ ๊ฐ„์„ ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ์ž…๋ ฅ ๋ฐ›์•„, ๊ทธ ๊ฐ’์œผ๋กœ ์ดˆ๊ธฐํ™”ํ•ฉ๋‹ˆ๋‹ค.
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# ๊ฐ ๊ฐ„์„ ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ์ž…๋ ฅ๋ฐ›์•„, ๊ทธ ๊ฐ’์œผ๋กœ ์ดˆ๊ธฐํ™”
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for _ in range(m):
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# A์—์„œ B๋กœ ๊ฐ€๋Š” ๋น„์šฉ์€ C๋ผ๊ณ  ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค.
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# A์—์„œ B๋กœ ๊ฐ€๋Š” ๋น„์šฉ์€ C๋ผ๊ณ  ์„ค์ •
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a, b, c = map(int, input().split())
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# ๊ฐ€์žฅ ์งง์€ ๊ฐ„์„  ์ •๋ณด๋งŒ ์ €์žฅํ•ฉ๋‹ˆ๋‹ค.
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# ๊ฐ€์žฅ ์งง์€ ๊ฐ„์„  ์ •๋ณด๋งŒ ์ €์žฅ
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if c < graph[a][b]:
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graph[a][b] = c
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# ์ ํ™”์‹์— ๋”ฐ๋ผ ํ”Œ๋กœ์ด๋“œ ์›Œ์…œ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
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# ์ ํ™”์‹์— ๋”ฐ๋ผ ํ”Œ๋กœ์ด๋“œ ์›Œ์…œ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์ˆ˜ํ–‰
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for k in range(1, n + 1):
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for a in range(1, n + 1):
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for b in range(1, n + 1):
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graph[a][b] = min(graph[a][b], graph[a][k] + graph[k][b])
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# ์ˆ˜ํ–‰๋œ ๊ฒฐ๊ณผ๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
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# ์ˆ˜ํ–‰๋œ ๊ฒฐ๊ณผ๋ฅผ ์ถœ๋ ฅ
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for a in range(1, n + 1):
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for b in range(1, n + 1):
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# ๋„๋‹ฌํ•  ์ˆ˜ ์—†๋Š” ๊ฒฝ์šฐ, 0์„ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
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# ๋„๋‹ฌํ•  ์ˆ˜ ์—†๋Š” ๊ฒฝ์šฐ, 0์„ ์ถœ๋ ฅ
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if graph[a][b] == INF:
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print(0, end=" ")
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# ๋„๋‹ฌํ•  ์ˆ˜ ์žˆ๋Š” ๊ฒฝ์šฐ ๊ฑฐ๋ฆฌ๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค.
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# ๋„๋‹ฌํ•  ์ˆ˜ ์žˆ๋Š” ๊ฒฝ์šฐ ๊ฑฐ๋ฆฌ๋ฅผ ์ถœ๋ ฅ
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else:
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print(graph[a][b], end=" ")
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print()

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