solves number of students unable to eat lunch

Author: anishLearnsToCode

Diff for: README.md

@@ -417,7 +417,7 @@
 | 1684 | [Count the Number of Consistent Strings](https://leetcode.com/problems/count-the-number-of-consistent-strings)                                            |                                                        [![Java](assets/java.png)](src/CountTheNumberOfConsistentStrings.java)                                                        |                                                                                                                                   |
 | 1688 | [Count of Matches in Tournament](https://leetcode.com/problems/count-of-matches-in-tournament)                                                            |                                                           [![Java](assets/java.png)](src/CountOfMatchesInTournament.java)                                                            |                                                                                                                                   |
 | 1694 | [Reformat Phone Number](https://leetcode.com/problems/reformat-phone-number)                                                                              |                                                               [![Java](assets/java.png)](src/ReformatPhoneNumber.java)                                                               |                                                                                                                                   |
-| 1700 | [Number of Students Unable to Eat Lunch](https://leetcode.com/problems/number-of-students-unable-to-eat-lunch)                                            |                                                                                                                                                                                      |                                                                                                                                   |
+| 1700 | [Number of Students Unable to Eat Lunch](https://leetcode.com/problems/number-of-students-unable-to-eat-lunch)                                            |                                                        [![Java](assets/java.png)](src/NumberOfStudentsUnableToEatLunch.java)                                                         |                                                                                                                                   |
 | 1704 | [Determine if String Halves Are Alike](https://leetcode.com/problems/determine-if-string-halves-are-alike)                                                |                                                                                                                                                                                      |                                                                                                                                   |
 | 1708 | 🔒 [Largest Subarray Length K](https://leetcode.com/problems/largest-subarray-length-k/)                                                                  |                                                                                                                                                                                      |                                                                                                                                   |
 | 1710 | [Maximum Units on a Truck](https://leetcode.com/problems/maximum-units-on-a-truck/)                                                                       |                                                                                                                                                                                      |                                                                                                                                   |

Diff for: src/NumberOfStudentsUnableToEatLunch.java

@@ -0,0 +1,28 @@
+import java.util.LinkedList;
+import java.util.Queue;
+
+public class NumberOfStudentsUnableToEatLunch {
+    public int countStudents(int[] students, int[] sandwiches) {
+        final Queue<Integer> studentQueue = queueFrom(students);
+        int replacementStudents = 0, stack = 0;
+        while (!studentQueue.isEmpty() && replacementStudents < studentQueue.size()) {
+            if (studentQueue.peek() == sandwiches[stack]) {
+                stack++;
+                studentQueue.poll();
+                replacementStudents = 0;
+            } else {
+                studentQueue.add(studentQueue.poll());
+                replacementStudents++;
+            }
+        }
+        return studentQueue.size();
+    }
+
+    private Queue<Integer> queueFrom(int[] array) {
+        final Queue<Integer> queue = new LinkedList<>();
+        for (int element : array) {
+            queue.add(element);
+        }
+        return queue;
+    }
+}