結果
| 問題 |
No.748 yuki国のお財布事情
|
| コンテスト | |
| ユーザー |
compass19
|
| 提出日時 | 2018-10-19 22:59:26 |
| 言語 | Python3 (3.13.1 + numpy 2.2.1 + scipy 1.14.1) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 1,441 bytes |
| コンパイル時間 | 620 ms |
| コンパイル使用メモリ | 12,800 KB |
| 実行使用メモリ | 377,044 KB |
| 最終ジャッジ日時 | 2024-11-18 22:11:42 |
| 合計ジャッジ時間 | 34,787 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | WA * 3 |
| other | AC * 3 WA * 13 TLE * 10 |
ソースコード
N, M, K = map(int, input().split())
citys = {n: {'Root': n, 'child': {n}} for n in range(N)}
edges = [None for _ in range(M)]
for m in range(M):
a, b, c = map(int, input().split())
edges[m] = (a-1, b-1, c)
abs_edges = set(int(input())-1 for _ in range(K))
sorted_edges = sorted([e for e in set(range(M)) - abs_edges], key=lambda x: edges[x][2])
# 最小木
T = {edges[e] for e in abs_edges}
# union tree
for e in abs_edges:
a, b, _ = edges[e]
# print(a, b)
if citys[a]['Root'] == a and citys[b]['Root'] == b:
for c in citys[citys[b]['Root']]['child']:
citys[c]['Root'] = a
citys[a]['child'].add(c)
elif citys[a]['Root'] == a and citys[b]['Root'] != b:
for c in citys[citys[b]['Root']]['child']:
citys[c]['Root'] = citys[a]['Root']
citys[citys[a]['Root']]['child'].add(c)
else:
for c in citys[citys[a]['Root']]['child']:
citys[c]['Root'] = citys[b]['Root']
citys[citys[b]['Root']]['child'].add(c)
del_weight = 0
for ix, e in enumerate(sorted_edges):
# edge eを追加できるかどうか
a, b, c = edges[e]
print(ix+1, a, b, c)
if citys[a]['Root'] == citys[b]['Root']:
del_weight += c
continue
if citys[a]['Root'] == a and citys[b]['Root'] == b:
for c in citys[citys[b]['Root']]['child']:
citys[c]['Root'] = a
citys[a]['child'].add(c)
else:
for c in citys[citys[b]['Root']]['child']:
citys[c]['Root'] = citys[a]['Root']
citys[citys[a]['Root']]['child'].add(c)
print(del_weight)
compass19