java.lang.Object
g2101_2200.s2194_cells_in_a_range_on_an_excel_sheet.Solution

public class Solution extends Object
2194 - Cells in a Range on an Excel Sheet\. Easy A cell `(r, c)` of an excel sheet is represented as a string `""` where: * `` denotes the column number `c` of the cell. It is represented by **alphabetical letters**. * For example, the 1st column is denoted by `'A'`, the 2nd by `'B'`, the 3rd by `'C'`, and so on. * `` is the row number `r` of the cell. The rth row is represented by the **integer** `r`. You are given a string `s` in the format `":"`, where `` represents the column `c1`, `` represents the row `r1`, `` represents the column `c2`, and `` represents the row `r2`, such that `r1 <= r2` and `c1 <= c2`. Return _the **list of cells**_ `(x, y)` _such that_ `r1 <= x <= r2` _and_ `c1 <= y <= c2`. The cells should be represented as **strings** in the format mentioned above and be sorted in **non-decreasing** order first by columns and then by rows. **Example 1:** ![](https://assets.leetcode.com/uploads/2022/02/08/ex1drawio.png) **Input:** s = "K1:L2" **Output:** ["K1","K2","L1","L2"] **Explanation:** The above diagram shows the cells which should be present in the list. The red arrows denote the order in which the cells should be presented. **Example 2:** ![](https://assets.leetcode.com/uploads/2022/02/09/exam2drawio.png) **Input:** s = "A1:F1" **Output:** ["A1","B1","C1","D1","E1","F1"] **Explanation:** The above diagram shows the cells which should be present in the list. The red arrow denotes the order in which the cells should be presented. **Constraints:** * `s.length == 5` * `'A' <= s[0] <= s[3] <= 'Z'` * `'1' <= s[1] <= s[4] <= '9'` * `s` consists of uppercase English letters, digits and `':'`.
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