Leetcode Problem 179. Largest Number

179. Largest Number

Leetcode Solutions

Convert all integers in the nums array to strings.
Define a custom comparator that compares two strings a and b by comparing a + b and b + a.
Sort the array of strings using the custom comparator.
Concatenate all the strings in the sorted array to form the largest number.
If the first string in the sorted array is '0', return '0' as the result.
Otherwise, return the concatenated string as the result.

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