updating docs

Author: github-actions[bot]

docs/.vitepress/Sidebar.js

@@ -68,6 +68,14 @@ export default Sidebar = [
         text: "037 - Sudoku Solver",
         link: "/solution/0001-0100/037 - Sudoku Solver.md",
       },
+      {
+        text: "041 - First Missing Positive",
+        link: "/solution/0001-0100/041 - First Missing Positive.md",
+      },
+      {
+        text: "042 - Trapping Rain Water",
+        link: "/solution/0001-0100/042 - Trapping Rain Water.md",
+      },
       {
         text: "051 - N-Queens",
         link: "/solution/0001-0100/051 - N-Queens.md",
@@ -354,6 +362,10 @@ export default Sidebar = [
         text: "278 - First Bad Version",
         link: "/solution/0201-0300/278 - First Bad Version.md",
       },
+      {
+        text: "279 - Perfect Squares",
+        link: "/solution/0201-0300/279 - Perfect Squares.md",
+      },
       {
         text: "283 - Move Zeroes",
         link: "/solution/0201-0300/283 - Move Zeroes.md",

docs/SERIALWISE.md

@@ -30,6 +30,8 @@
 | **0028** |      [Find the Index of the First Occurrence in a String][28]       |                                     Two Pointers, String, String Matching                                     | ![][medium] |        |
 | **0035** |                    [Search Insert Position][35]                     |                                                   Array, BS                                                   |  ![][easy]  |        |
 | **0037** |                         [Sudoku Solver][37]                         |                                          Array, Backtracking, Matrix                                          |  ![][hard]  |        |
+| **0041** |                    [First Missing Positive][41]                     |                                               Array, Hash Table                                               |  ![][hard]  |        |
+| **0042** |                      [Trapping Rain Water][42]                      |                       Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack                        |  ![][hard]  |        |
 | **0051** |                           [N-Queens][51]                            |                                              Array, Backtracking                                              |  ![][hard]  |        |
 | **0053** |                       [Maximum Subarray][53]                        |                                         Array, Divide and Conquer, DP                                         | ![][medium] |        |
 | **0055** |                           [Jump Game][55]                           |                                      Array, Dynamic Programming, Greedy                                       | ![][medium] |        |
@@ -98,6 +100,7 @@
 | **0263** |                         [Ugly Number][263]                          |                                                     Math                                                      |  ![][easy]  |        |
 | **0268** |                        [Missing Number][268]                        |                       Array, Hash Table, Math, Binary Search, Bit Manipulation, Sorting                       |  ![][easy]  |        |
 | **0278** |                      [First Bad Version][278]                       |                                          Binary Search, Interactive                                           |  ![][easy]  |        |
+| **0279** |                       [Perfect Squares][279]                        |                                Math, Dynamic Programming, Breadth-First Search                                | ![][medium] |        |
 | **0283** |                         [Move Zeroes][283]                          |                                              Array, Two Pointers                                              |  ![][easy]  |        |
 | **0290** |                         [Word Pattern][290]                         |                                              Hash Table, String                                               |  ![][easy]  |        |
 | **0292** |                           [Nim Game][292]                           |                                        Math, Brainteaser, Game Theory                                         |  ![][easy]  |        |
@@ -219,6 +222,8 @@
 [28]: ./solution/0001-0100/028%20-%20Find%20the%20Index%20of%20the%20First%20Occurrence%20in%20a%20String.md
 [35]: ./solution/0001-0100/035%20-%20Search%20Insert%20Position.md
 [37]: ./solution/0001-0100/037%20-%20Sudoku%20Solver.md
+[41]: ./solution/0001-0100/041%20-%20First%20Missing%20Positive.md
+[42]: ./solution/0001-0100/042%20-%20Trapping%20Rain%20Water.md
 [51]: ./solution/0001-0100/051%20-%20N-Queens.md
 [53]: ./solution/0001-0100/053%20-%20Maximum%20Subarray.md
 [55]: ./solution/0001-0100/055%20-%20Jump%20Game.md
@@ -291,6 +296,7 @@
 [263]: ./solution/0201-0300/263%20-%20Ugly%20Number.md
 [268]: ./solution/0201-0300/268%20-%20Missing%20Number.md
 [278]: ./solution/0201-0300/278%20-%20First%20Bad%20Version.md
+[279]: ./solution/0201-0300/279%20-%20Perfect%20Squares.md
 [283]: ./solution/0201-0300/283%20-%20Move%20Zeroes.md
 [290]: ./solution/0201-0300/290%20-%20Word%20Pattern.md
 [292]: ./solution/0201-0300/292%20-%20Nim%20Game.md