Data commit

Task/Mian-Chowla-sequence/Swift/mian-chowla-sequence.swift

@@ -0,0 +1,39 @@
+public func mianChowla(n: Int) -> [Int] {
+  var mc = Array(repeating: 0, count: n)
+  var ls = [2: true]
+  var sum = 0
+
+  mc[0] = 1
+
+  for i in 1..<n {
+    var lsx = [Int]()
+
+    jLoop: for j in (mc[i-1]+1)... {
+      mc[i] = j
+
+      for k in 0...i {
+        sum = mc[k] + j
+
+        if ls[sum] ?? false {
+          lsx = []
+          continue jLoop
+        }
+
+        lsx.append(sum)
+      }
+
+      for n in lsx {
+        ls[n] = true
+      }
+
+      break
+    }
+  }
+
+  return mc
+}
+
+let seq = mianChowla(n: 100)
+
+print("First 30 terms in sequence are: \(Array(seq.prefix(30)))")
+print("Terms 91 to 100 are: \(Array(seq[90..<100]))")