1 in swift

1.swift

@@ -0,0 +1,28 @@
+var depths: [Int] = []
+
+while let line = readLine() {
+    depths.append(Int(line)!)
+}
+
+var total = 0
+
+for i in 1..<depths.count {
+    if depths[i - 1] < depths[i] {
+        total += 1
+    }
+}
+
+print("a:", total)
+
+var prev = 1000000
+total = 0
+
+for i in 1..<depths.count - 2 {
+    let new = depths[i..<i + 3].reduce(0, +)
+
+    if new > prev {
+        total += 1
+    }
+    prev = new
+}
+print("b:", total)