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[Python/ํŒŒ์ด์ฌ] ๋ฐฑ์ค€ 14938๋ฒˆ: ์„œ๊ฐ•๊ทธ๋ผ์šด๋“œ

[Python/ํŒŒ์ด์ฌ] ๋ฐฑ์ค€ 14938๋ฒˆ: ์„œ๊ฐ•๊ทธ๋ผ์šด๋“œ
๐Ÿ”์•Œ๊ณ ๋ฆฌ์ฆ˜/๋ฐฑ์ค€

[Python/ํŒŒ์ด์ฌ] ๋ฐฑ์ค€ 14938๋ฒˆ: ์„œ๊ฐ•๊ทธ๋ผ์šด๋“œ

2021. 12. 22. 13:42
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๋ฌธ์ œ

ํ’€์ด

๋‹ค์ต์ŠคํŠธ๋ผ ๋ฐฉ๋ฒ•๊ณผ ํ”Œ๋กœ์ด๋“œ-์™€์ƒฌ ๋ฐฉ๋ฒ•์ด ์žˆ๋Š”๋ฐ, 

๋…ธ๋“œ์˜ ๊ฐœ์ˆ˜๊ฐ€ ์ ์–ด์„œ ํ”Œ๋กœ์ด๋“œ-์™€์ƒฌ ๋ฐฉ๋ฒ•์œผ๋กœ ํ’€์—ˆ๋‹ค.

 

ํ”Œ๋กœ์ด๋“œ-์™€์ƒฌ ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ์•ˆ๋‹ค๋ฉด ์‰ฝ๊ฒŒ ํ’€ ์ˆ˜ ์žˆ๋Š” ๋ฌธ์ œ์ด๋ฏ€๋กœ ํ’€์ด๋Š” ์ƒ๋žตํ•จ.

 

์ฝ”๋“œ

from sys import stdin
input = stdin.readline

n, m, r = map(int, input().split())
items = list(map(int, input().split()))

graph = [[1e9] * (n + 1) for _ in range(n + 1)]

for _ in range(r):
      a, b, l = map(int, input().split())
      graph[a][b] = l
      graph[b][a] = l

for i in range(n + 1):
      for j in range(n + 1):
            if i == j:
                  graph[i][j] = 0

for k in range(1, n + 1):
      for i in range(1, n + 1):
            for j in range(1, n + 1):
                  graph[i][j] = min(graph[i][k] + graph[k][j], graph[i][j])

maxItem = 0
for g in graph:
      tmp = 0
      for i in range(1, n + 1):
            if g[i] <= m:
                  tmp += items[i - 1]
      maxItem = max(maxItem, tmp)

print(maxItem)

 

๋งˆ๋ฌด๋ฆฌ

ํ”Œ๋กœ์ด๋“œ-์™€์ƒฌ... ์ดํ•ด๋Š” ์™„๋ฒฝํžˆ ํ–ˆ๋Š”๋ฐ ์•„์ง ์•”๊ธฐ๊ฐ€ ๋œ ๋œ ๊ฒƒ ๊ฐ™๋‹ค.. ใ… ใ… 

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