Create 1700. Number of Students Unable to Eat Lunch (#451)

Author: Chayandas07

1700. Number of Students Unable to Eat Lunch

@@ -0,0 +1,16 @@
+class Solution {
+public:
+    int countStudents(vector<int>& students, vector<int>& sandwiches) {
+        vector<int> count(2, 0);
+        for (int student : students)
+            count[student]++;
+
+        for (int i = 0; i < sandwiches.size(); ++i) {
+            if (count[sandwiches[i]] == 0)
+                return sandwiches.size() - i;
+            count[sandwiches[i]]--;
+        }
+
+        return 0;
+    }
+};