Create decompress-run-length-encoded-list.cpp

Author: kamyu104

C++/decompress-run-length-encoded-list.cpp

@@ -0,0 +1,15 @@
+// Time:  O(n)
+// Space: O(1)
+
+class Solution {
+public:
+    vector<int> decompressRLElist(vector<int>& nums) {
+        vector<int> result;
+        for (int i = 0; i < nums.size(); i += 2) {
+            for (int j = 0; j < nums[i]; ++j) {
+                result.emplace_back(nums[i + 1]);
+            }
+        }
+        return result;
+    }
+};