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medium
Greedy

Minimum Number of Arrows to Burst Balloons

**Problem Statement:** Given the required input arguments, write an efficient algorithm to solve the **Minimum Number of Arrows to Burst Balloons** problem. Implement the required logic as specified by standard definitions for this classic algorithmic challenge. **Hint / Expected Approach:** Sort by end; arrow at end of first balloon **Edge Cases to Consider:** - (1) Non-overlapping (n arrows) - (2) All overlap (1 arrow) - (3) Single balloon

Examples

Example 1
Input: [[10,16],[2,8],[1,6],[7,12]]
Output: 2
Explanation: Classic
Example 2
Input: [[1,2],[3,4],[5,6],[7,8]]
Output: 4
Explanation: No overlap
Example 3
Input: [[1,2],[2,3],[3,4],[4,5]]
Output: 2
Explanation: Chain overlap

Constraints

  • ▪Input arguments are within valid ranges
  • ▪Optimize for execution speed
  • ▪Handle null/empty inputs gracefully

Watch Out For Edge Cases

  • ▪Non-overlapping (n arrows)
  • ▪All overlap (1 arrow)
  • ▪Single balloon
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