Create 1700-NumberOfStudentsUnableToEatLunch.cpp

Author: DionysiosB

1700-NumberOfStudentsUnableToEatLunch.cpp

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+class Solution {
+public:
+    int countStudents(vector<int>& students, vector<int>& sandwiches) {
+        int a(0), b(0);
+        for(int p = 0; p < students.size(); p++){
+            a += (!students[p]);
+            b += students[p];
+        }
+
+        for(int p = 0; p < sandwiches.size(); p++){
+            if(sandwiches[p]){--b; if(b < 0){return a;}}
+            else{--a; if(a < 0){return b;}}
+        }
+
+        return 0;
+    }
+};