How to Solve Max Difference You Can Get From Changing an Integer Problem
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Max Difference You Can Get From Changing an Integer
You are given an integer num. You will apply the following steps to num two separate times: Pick a digit x (0 <= x <= 9). Pick another digit y (0 <= y <= 9). Note y can be equal to x. Replace all the ...
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Understanding the Max Difference You Can Get From Changing an Integer Problem
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Problem Statement
You are given an integer num. You will apply the following steps to num two separate times: Pick a digit x (0 <= x <= 9). Pick another digit y (0 <= y <= 9). Note y can be equal to x. Replace all the occurrences of x in the decimal representation of num by y. Let a and b be the two results from applying the operation to num independently. Return the max difference between a and b. Note that neither a nor b may have any leading zeros, and must not be 0.
Max Difference You Can Get From Changing an Integer
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Examples
num = 555888The first time pick x = 5 and y = 9 and store the new integer in a. The second time pick x = 5 and y = 1 and store the new integer in b. We have now a = 999 and b = 111 and max difference = 888
num = 98The first time pick x = 9 and y = 9 and store the new integer in a. The second time pick x = 9 and y = 1 and store the new integer in b. We have now a = 9 and b = 1 and max difference = 8
Constraints
1 <= num <= 108How Interview Coder Helps with Leetcode Problems
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