Leetcode Problem 1580. Put Boxes Into the Warehouse II

1580. Put Boxes Into the Warehouse II

Leetcode Solutions

Greedy Approach with Sorting and Two Pointers

  1. Sort the boxes in ascending order.
  2. Initialize two pointers, left and right, to the start and end of the warehouse array, respectively.
  3. Initialize a counter count to keep track of the number of boxes placed.
  4. Iterate through the sorted boxes from the largest to the smallest.
  5. For each box, check if it can fit in the leftmost or rightmost position of the warehouse.
  6. If the box fits in the leftmost position, increment left and count.
  7. If the box fits in the rightmost position, decrement right and increment count.
  8. If the box does not fit in either position, continue to the next box.
  9. Repeat steps 4-8 until all boxes are checked or there is no more room in the warehouse.
  10. Return the value of count as the maximum number of boxes that can be placed in the warehouse.
UML Thumbnail

Preprocess Warehouse and Greedy Box Placement

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