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Solution: Largest Number

Explore the greedy technique to form the largest number by rearranging a list of non-negative integers. Learn how to define a custom comparator based on string concatenation that ensures the optimal order, understand the algorithm’s time and space complexity, and handle edge cases including all zeros.

Statement

Given a list of non-negative integers, nums, rearrange them so that they form the largest possible number. As the result may be very large, return it as a string.

Constraints:

  • 11 \leq nums.length 100\leq 100

  • 00 \leq nums[i] 103\leq 10^3 ...