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)] } } extension Array where Element == Int { func lowerBound(_ value: Int) -> Int { var l = -1 var r = count while l + 2 <= r { let m = (l + r) / 2 if self[m] >= value { r = m } else { l = m } } return r } func upperBound(_ value: Int) -> Int { return lowerBound(value + 1) } } var scanner = Scanner() let N = scanner.nextInt() let A = scanner.nextInt() let B = scanner.nextInt() let X = (0 ..< N).map { _ in scanner.nextInt() } var unionfind = UnionFind(N) var count = [Int](repeating: 0, count: N) func connect(index i: Int, l: Int, r: Int) { if r - l == 1 { unionfind.union(i, l) } else if r - l >= 2 { unionfind.union(i, l) count[l] += 1 count[r - 1] -= 1 } } for i in X.indices { connect(index: i, l: X.lowerBound(X[i] - B), r: X.upperBound(X[i] - A)) connect(index: i, l: X.lowerBound(X[i] + A), r: X.upperBound(X[i] + B)) } for i in 0 ..< N - 1 { count[i + 1] += count[i] if count[i] > 0 { unionfind.union(i, i + 1) } } for i in 0 ..< N { print(unionfind.count(i)) }