Create find-indices-of-stable-mountains.cpp

Author: kamyu104

C++/find-indices-of-stable-mountains.cpp

@@ -0,0 +1,16 @@
+// Time:  O(n)
+// Space: O(1)
+
+// array
+class Solution {
+public:
+    vector<int> stableMountains(vector<int>& height, int threshold) {
+        vector<int> result;
+        for (int i = 1; i < size(height); ++i) {
+            if (height[i - 1] > threshold) {
+                result.emplace_back(i);
+            }
+        }
+        return result;
+    }
+};