solves #2833: Furthest Point From Origin in jaav

Author: anishLearnsToCode

README.md

@@ -850,7 +850,7 @@
 | 2815 | [Max Pair Sum in an Array](https://leetcode.com/problems/max-pair-sum-in-an-array)                                                                                     |                                                                                     [![Java](assets/java.png)](src/MaxPairSumInAnArray.java)                                                                                     |                                                                                                                                   |
 | 2824 | [Count Pairs Whose Sum is Less than Target](https://leetcode.com/problems/count-pairs-whose-sum-is-less-than-target)                                                   |                                                                             [![Java](assets/java.png)](src/CountPairsWhoseSumIsLessThanTarget.java)                                                                              |                                                                                                                                   |
 | 2828 | [Check if a String Is an Acronym of Words](https://leetcode.com/problems/check-if-a-string-is-an-acronym-of-words)                                                     |                                                                              [![Java](assets/java.png)](src/CheckIfAStringIsAnAcronymOfWords.java)                                                                               |                                                                                                                                   |
-| 2833 | [Furthest Point From Origin](https://leetcode.com/problems/furthest-point-from-origin)                                                                                 |                                                                                                                                                                                                                                  |                                                                                                                                   |
+| 2833 | [Furthest Point From Origin](https://leetcode.com/problems/furthest-point-from-origin)                                                                                 |                                                                                   [![Java](assets/java.png)](src/FurthestPointFromOrigin.java)                                                                                   |                                                                                                                                   |
 | 2839 | [Check if Strings Can be Made Equal With Operations I](https://leetcode.com/problems/check-if-strings-can-be-made-equal-with-operations-i)                             |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 2843 | [Count Symmetric Integers](https://leetcode.com/problems/count-symmetric-integers)                                                                                     |                                                                                                                                                                                                                                  |                                                                                                                                   |
 | 2848 | [Points That Intersect With Cars](https://leetcode.com/problems/points-that-intersect-with-cars)                                                                       |                                                                                                                                                                                                                                  |                                                                                                                                   |

src/FurthestPointFromOrigin.java

@@ -0,0 +1,23 @@
+// https://leetcode.com/problems/furthest-point-from-origin
+// T: O(N)
+// S: O(1)
+
+public class FurthestPointFromOrigin {
+    public int furthestDistanceFromOrigin(String moves) {
+        final int numberOfLeftMoves = numberOf(moves, 'L');
+        final int numberOfRightMoves = numberOf(moves, 'R');
+        final int numberOfFreeMoves = numberOf(moves, '_');
+
+        return Math.abs(numberOfLeftMoves - numberOfRightMoves) + numberOfFreeMoves;
+    }
+
+    private static int numberOf(final String moves, final char c) {
+        int count = 0;
+        for (int i = 0 ; i < moves.length() ; i++) {
+            if (moves.charAt(i) == c) {
+                count++;
+            }
+        }
+        return count;
+    }
+}

src/WidestVerticalAreaBetweenTwoPointsContainingNoPoints.java

@@ -1,3 +1,7 @@
+// https://leetcode.com/problems/widest-vertical-area-between-two-points-containing-no-points
+// T: O(N log(N))
+// S: O(log(N))
+
 import java.util.Arrays;
 import java.util.Comparator;