結果
問題 | No.1266 7 Colors |
ユーザー | semisagi |
提出日時 | 2020-10-23 22:24:55 |
言語 | Swift (5.10.0) |
結果 |
AC
|
実行時間 | 651 ms / 3,000 ms |
コード長 | 2,856 bytes |
コンパイル時間 | 4,407 ms |
コンパイル使用メモリ | 132,468 KB |
実行使用メモリ | 26,532 KB |
最終ジャッジ日時 | 2023-09-28 16:22:57 |
合計ジャッジ時間 | 16,743 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge15 |
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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 | 3 ms
7,776 KB |
testcase_01 | AC | 3 ms
7,812 KB |
testcase_02 | AC | 3 ms
7,940 KB |
testcase_03 | AC | 481 ms
12,672 KB |
testcase_04 | AC | 604 ms
21,464 KB |
testcase_05 | AC | 492 ms
13,368 KB |
testcase_06 | AC | 616 ms
22,928 KB |
testcase_07 | AC | 639 ms
24,744 KB |
testcase_08 | AC | 599 ms
21,848 KB |
testcase_09 | AC | 562 ms
18,948 KB |
testcase_10 | AC | 558 ms
17,948 KB |
testcase_11 | AC | 516 ms
14,628 KB |
testcase_12 | AC | 526 ms
15,612 KB |
testcase_13 | AC | 536 ms
16,600 KB |
testcase_14 | AC | 504 ms
13,204 KB |
testcase_15 | AC | 651 ms
25,112 KB |
testcase_16 | AC | 533 ms
15,924 KB |
testcase_17 | AC | 639 ms
24,280 KB |
testcase_18 | AC | 527 ms
25,708 KB |
testcase_19 | AC | 534 ms
26,504 KB |
testcase_20 | AC | 536 ms
26,532 KB |
testcase_21 | AC | 341 ms
9,816 KB |
ソースコード
struct Scanner { private var elements = [String]() private var index = 0 mutating func peek() -> String { while elements.count == index { elements = readLine()!.split(separator: " ").map(String.init) index = 0 } return elements[index] } mutating func next() -> String { let value = peek() index += 1 return value } mutating func nextInt() -> Int { return Int(next())! } mutating func nextDouble() -> Double { return Double(next())! } } struct UnionFind { var parent: [Int] var count: [Int] init(_ n: Int) { parent = Array(0 ..< n) count = [Int](repeating: 1, count: n) } mutating func find(_ v: Int) -> Int { if v == parent[v] { return v } parent[v] = find(parent[v]) return parent[v] } mutating func union(_ u: Int, _ v: Int) { var u = find(u) var v = find(v) guard u != v else { return } if count[u] < count[v] { swap(&u, &v) } count[u] += count[v] parent[v] = u } mutating func count(_ u: Int) -> Int { count[find(u)] } } struct Array2D<Element> { let n1: Int let n2: Int private var elements: [Element] init(repeating: Element, _ n1: Int, _ n2: Int) { self.n1 = n1 self.n2 = n2 self.elements = [Element](repeating: repeating, count: n1 * n2) } subscript(i: Int, j: Int) -> Element { get { elements[i * n2 + j] } set { elements[i * n2 + j] = newValue } } } var scanner = Scanner() let N = scanner.nextInt() let M = scanner.nextInt() let Q = scanner.nextInt() var colors = Array2D(repeating: false, N, 7) for i in 0 ..< N { let s = [Character](scanner.next()) for j in 0 ..< 7 { colors[i, j] = s[j] == "1" } } var G = [[Int]](repeating: [Int](), count: N) for _ in 0 ..< M { let u = scanner.nextInt() - 1 let v = scanner.nextInt() - 1 G[u].append(v) G[v].append(u) } var uf = UnionFind(N * 7) func union(u: Int) { for i in 0 ..< 7 { let j = (i + 1) % 7 if colors[u, i] && colors[u, j] { uf.union(u * 7 + i, u * 7 + j) } } for v in G[u] { for i in 0 ..< 7 { if colors[u, i] && colors[v, i] { uf.union(u * 7 + i, v * 7 + i) } } } } for u in 0 ..< N { union(u: u) } for _ in 0 ..< Q { switch scanner.nextInt() { case 1: let x = scanner.nextInt() - 1 let y = scanner.nextInt() - 1 colors[x, y] = true union(u: x) default: let x = scanner.nextInt() - 1 let _ = scanner.nextInt() print(uf.count(x * 7)) } }