Datasets:
File size: 783 Bytes
93237a0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | items = [("A", 2, 3), ("B", 3, 4), ("C", 4, 5), ("D", 5, 8), ("E", 9, 10)]
capacity = 10
dp = [[0] * (capacity + 1) for _ in range(len(items) + 1)]
for i, (_, weight, value) in enumerate(items, 1):
for c in range(capacity + 1):
dp[i][c] = dp[i - 1][c]
if weight <= c:
dp[i][c] = max(dp[i][c], dp[i - 1][c - weight] + value)
c, chosen = capacity, []
for i in range(len(items), 0, -1):
if dp[i][c] != dp[i - 1][c]:
name, weight, _ = items[i - 1]
chosen.append(name)
c -= weight
chosen.reverse()
weight = sum(w for name, w, _ in items if name in chosen)
assert weight <= capacity
result = {"items": chosen, "weight": weight, "value": dp[-1][capacity]}
import json
print(json.dumps(result, ensure_ascii=False, sort_keys=True))
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