結果
問題 | No.1267 Stop and Coin Game |
ユーザー | semisagi |
提出日時 | 2020-10-23 23:47:39 |
言語 | Swift (5.10.0) |
結果 |
AC
|
実行時間 | 192 ms / 2,000 ms |
コード長 | 2,247 bytes |
コンパイル時間 | 11,339 ms |
コンパイル使用メモリ | 132,616 KB |
実行使用メモリ | 10,240 KB |
最終ジャッジ日時 | 2024-07-21 13:49:29 |
合計ジャッジ時間 | 13,322 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 8 ms
9,088 KB |
testcase_01 | AC | 9 ms
8,960 KB |
testcase_02 | AC | 8 ms
9,088 KB |
testcase_03 | AC | 9 ms
9,088 KB |
testcase_04 | AC | 9 ms
8,960 KB |
testcase_05 | AC | 9 ms
9,088 KB |
testcase_06 | AC | 9 ms
9,088 KB |
testcase_07 | AC | 8 ms
8,960 KB |
testcase_08 | AC | 26 ms
9,216 KB |
testcase_09 | AC | 9 ms
9,088 KB |
testcase_10 | AC | 164 ms
10,112 KB |
testcase_11 | AC | 51 ms
9,216 KB |
testcase_12 | AC | 14 ms
8,960 KB |
testcase_13 | AC | 8 ms
9,088 KB |
testcase_14 | AC | 9 ms
8,960 KB |
testcase_15 | AC | 9 ms
8,960 KB |
testcase_16 | AC | 184 ms
10,112 KB |
testcase_17 | AC | 9 ms
9,088 KB |
testcase_18 | AC | 9 ms
9,088 KB |
testcase_19 | AC | 9 ms
8,960 KB |
testcase_20 | AC | 8 ms
9,088 KB |
testcase_21 | AC | 9 ms
8,960 KB |
testcase_22 | AC | 9 ms
9,088 KB |
testcase_23 | AC | 9 ms
8,960 KB |
testcase_24 | AC | 79 ms
9,600 KB |
testcase_25 | AC | 104 ms
9,600 KB |
testcase_26 | AC | 9 ms
8,960 KB |
testcase_27 | AC | 13 ms
8,960 KB |
testcase_28 | AC | 11 ms
8,960 KB |
testcase_29 | AC | 9 ms
8,960 KB |
testcase_30 | AC | 150 ms
10,112 KB |
testcase_31 | AC | 10 ms
9,088 KB |
testcase_32 | AC | 25 ms
9,216 KB |
testcase_33 | AC | 75 ms
9,472 KB |
testcase_34 | AC | 97 ms
9,600 KB |
testcase_35 | AC | 147 ms
10,240 KB |
testcase_36 | AC | 10 ms
9,088 KB |
testcase_37 | AC | 32 ms
9,216 KB |
testcase_38 | AC | 192 ms
10,112 KB |
testcase_39 | AC | 20 ms
8,960 KB |
testcase_40 | AC | 11 ms
9,088 KB |
testcase_41 | AC | 20 ms
9,088 KB |
testcase_42 | AC | 9 ms
8,960 KB |
testcase_43 | AC | 29 ms
9,088 KB |
testcase_44 | AC | 183 ms
10,112 KB |
testcase_45 | AC | 8 ms
9,088 KB |
testcase_46 | AC | 9 ms
9,088 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 V = scanner.nextInt() let A = (0 ..< N).map { _ in scanner.nextInt() } var win = [Bool](repeating: false, count: 1 << N) for i in (0 ..< 1 << N).reversed() { var total = 0 for j in 0 ..< N where (i >> j) & 1 == 1 { total += A[j] } for j in 0 ..< N where (i >> j) & 1 == 0 && total + A[j] <= V { if !win[i | 1 << j] { win[i] = true } } } if A.reduce(0, +) <= V { print("Draw") } else if win[0] { print("First") } else { print("Second") }