Merge pull request PawanJaiswal08#26 from aryangulati/patch-1

Create 132-pattern.cpp

Author: PawanJaiswal08

132-pattern.cpp

@@ -0,0 +1,18 @@
+class Solution {
+public:
+    bool find132pattern(vector<int>& nums) {
+        int ak = numeric_limits<int>::min();
+        stack<int> st;
+        for (int i = nums.size() - 1; i >= 0; --i) {
+            if (nums[i] < ak) {
+                return true;
+            } else {
+                while (!st.empty() && nums[i] > st.top()) {
+                    ak = st.top(), st.pop(); 
+                }
+            }
+            st.emplace(nums[i]);
+        }
+        return false;
+    }
+};