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Leetcode Practice

LC 84. Largest Rectangle in Histogram

Last updated
June 7, 2024
Reading time
1 min read
  • Back to start


  • 1. Two Sum


  • 2. Add Two Numbers


  • 3. Longest Substring Without Repeating Characters


  • 7. Reverse Integer


  • 9. Palindrome Number


  • 13. Roman to Integer


  • 15. 3Sum


  • 20. Valid Parentheses


  • 22. Generate Parentheses


  • 36. Valid Sudoku


  • 49. Group Anagrams


  • 84. Largest Rectangle in Histogram


  • 88. Merge Sorted Array


  • 125. Valid Palindrome


  • 150. Evaluate Reverse Polish Notation


  • 151. Min Stack


  • 217. Contains Duplicate


  • 238. Product of Array Except Self


  • 242. Valid Anagram


  • 347. Top K Frequent Elements


  • 424. Longest Repeating Character Replacement


  • 496. Next Greater Element I


  • 503. Next Greater Element II


  • 704. Binary Search


  • 739. Daily Temperatures


  • 853. Car Fleet


  • 875. Koko Eating Bananas


  • 901. Online Stock Span


  • 1431. Kids with the Greatest Number of Candies


  • 1475. Final Prices with a Special Discount in a Shop


  • 1832. Check if the Sentence in Pangram


  • 2582. Pass the Pillow

The problem

Solution

function merge(nums1: number[], m: number, nums2: number[], n: number): void {
  let nums1Pointer = m - 1
  let nums2Pointer = n - 1
  let mergePointer = nums1.length - 1

  while (nums2Pointer >= 0) {
    if (nums1[nums1Pointer] > nums2[nums2Pointer]) {
      nums1[mergePointer] = nums1[nums1Pointer]
      nums1Pointer--
    } else {
      nums1[mergePointer] = nums2[nums2Pointer]
      nums2Pointer--
    }
    mergePointer--
  }
}
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