Create 3349-adjacent-increasing-subarrays-detection-i.js

Author: everthis

3349-adjacent-increasing-subarrays-detection-i.js

@@ -0,0 +1,33 @@
+/**
+ * @param {number[]} nums
+ * @param {number} k
+ * @return {boolean}
+ */
+var hasIncreasingSubarrays = function (nums, k) {
+  const n = nums.length
+
+  for (let i = 0; i <= n - 2 * k; ++i) {
+    let firstIncreasing = true
+    let secondIncreasing = true
+
+    for (let j = i; j < i + k - 1; ++j) {
+      if (nums[j] >= nums[j + 1]) {
+        firstIncreasing = false
+        break
+      }
+    }
+
+    if (!firstIncreasing) continue
+
+    for (let j = i + k; j < i + 2 * k - 1; ++j) {
+      if (nums[j] >= nums[j + 1]) {
+        secondIncreasing = false
+        break
+      }
+    }
+
+    if (firstIncreasing && secondIncreasing) return true
+  }
+
+  return false
+}