Create cells-in-a-range-on-an-excel-sheet.cpp

Author: kamyu104

C++/cells-in-a-range-on-an-excel-sheet.cpp

@@ -0,0 +1,16 @@
+// Time:  O(26^2)
+// Space: O(1)
+
+// enumeration
+class Solution {
+public:
+    vector<string> cellsInRange(string s) {
+        vector<string> result;
+        for (char x = s[0]; x <= s[3]; ++x) {
+            for (char y = s[1]; y <= s[4]; ++y) {
+                result.push_back({x, y});
+            }
+        }
+        return result;
+    }
+};