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Solution: Maximum Swap

Explore the maximum swap problem where you maximize an integer by swapping at most two digits once. Learn how to use a greedy algorithm by scanning digits to find the optimal swap. Understand the step-by-step solution, implementation in JavaScript, and analyze time and space complexity for an efficient approach.

Statement

Given an integer num, return the maximum number that can be formed by swapping at most two digits once.

Constraints:

  • 00 \leq num 105\leq 10^5 ...