結果
問題 | No.1059 素敵な集合 |
ユーザー | toyuzuko |
提出日時 | 2020-05-30 15:06:42 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,212 ms / 2,000 ms |
コード長 | 2,166 bytes |
コンパイル時間 | 157 ms |
コンパイル使用メモリ | 82,480 KB |
実行使用メモリ | 378,616 KB |
最終ジャッジ日時 | 2024-07-23 09:39:29 |
合計ジャッジ時間 | 7,147 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 39 ms
52,812 KB |
testcase_01 | AC | 1,034 ms
378,616 KB |
testcase_02 | AC | 177 ms
104,976 KB |
testcase_03 | AC | 37 ms
53,496 KB |
testcase_04 | AC | 36 ms
52,560 KB |
testcase_05 | AC | 36 ms
52,988 KB |
testcase_06 | AC | 147 ms
97,464 KB |
testcase_07 | AC | 151 ms
97,512 KB |
testcase_08 | AC | 181 ms
108,304 KB |
testcase_09 | AC | 109 ms
82,964 KB |
testcase_10 | AC | 251 ms
129,732 KB |
testcase_11 | AC | 162 ms
101,732 KB |
testcase_12 | AC | 121 ms
89,748 KB |
testcase_13 | AC | 255 ms
125,672 KB |
testcase_14 | AC | 74 ms
77,788 KB |
testcase_15 | AC | 416 ms
178,816 KB |
testcase_16 | AC | 173 ms
104,384 KB |
testcase_17 | AC | 164 ms
101,492 KB |
testcase_18 | AC | 105 ms
96,804 KB |
testcase_19 | AC | 1,212 ms
364,696 KB |
testcase_20 | AC | 1,023 ms
333,064 KB |
testcase_21 | AC | 376 ms
169,280 KB |
ソースコード
class Graph(): #non-directed def __init__(self, n, edge, indexed=1): self.n = n self.edge = edge self.indexed = indexed self.graph = [[] for _ in range(n)] #for e in edge: #self.graph[e[0] - indexed].append((e[1] - indexed, e[2])) #self.graph[e[1] - indexed].append((e[0] - indexed, e[2])) def kruskal(self): #UnionFind #edgemap = {self.edge[i]: i for i in range(len(self.edge))} #sortedge = sorted(self.edge, key=lambda x: x[2]) uf = UnionFind(self.n) res = 0 #restored = [] #for e in sortedge: for e in self.edge: if uf.find(e[0] - self.indexed) != uf.find(e[1] - self.indexed): res += e[2] #restored.append(edgemap[e]) uf.unite(e[0] - self.indexed, e[1] - self.indexed) return res#, restored class UnionFind(): def __init__(self, n): self.n = n self.parents = [i for i in range(n)] self.rank = [0 for _ in range(n)] self.size = [1 for _ in range(n)] def find(self, x): root = x while self.parents[root] != root: root = self.parents[root] while self.parents[x] != root: parent = self.parents[x] self.parents[x] = root x = parent return root def unite(self, x, y): xroot = self.find(x) yroot = self.find(y) if xroot == yroot: return xrank = self.rank[xroot] yrank = self.rank[yroot] if xrank < yrank: self.parents[xroot] = yroot self.size[yroot] += self.size[xroot] elif xrank == yrank: self.parents[yroot] = xroot self.rank[yroot] += 1 self.size[xroot] += self.size[yroot] else: self.parents[yroot] = xroot self.size[xroot] += self.size[yroot] L, R = map(int, input().split()) N = R - L + 1 E = [] for i in range(L, R + 1): for j in range(2 * i, R + 1, i): E.append((i - L, j - L, 0)) for i in range(N - 1): E.append((i, i + 1, 1)) g = Graph(N, E, 0) print(g.kruskal())