✨ feat: 456. 132 模式;

Author: ConteMan

456-132-pattern.js

@@ -0,0 +1,32 @@
+/**
+ * @param {number[]} nums
+ * @return {boolean}
+ */
+ var find132pattern = function(nums) {
+  const n = nums.length;
+  if (n < 3) {
+    return false;
+  }
+
+  let startValue = 0;
+  let middleValue = 0;
+  let lastValue = 0;
+
+  for ( let j = 1; j < n - 1; j ++) {
+    const leftNum = nums[j-1];
+    if ( leftNum < startValue || j == 1 ) {
+      startValue = leftNum
+    }
+    middleValue = nums[j];
+    if ( startValue >= middleValue ) {
+      continue;
+    }
+    for ( let k = j + 1; k < n; k++ ) {
+      lastValue = nums[k];
+      if ( lastValue > startValue && middleValue > lastValue ) {
+        return true;
+      }
+    }
+  }
+  return false;
+};

README.md

@@ -1,5 +1,6 @@
 Record LeetCode.
 
+[456. 132 模式](./456-132-pattern.js)  
 [1672. 最富有客户的资产总量](./1672-richest-customer-wealth.js)  
 [73. 矩阵置零](./73-set-matrix-zeroes.js)  
 [26. 删除有序数组中的重复项](./26-remove-duplicates-from-sorted-array.js)