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Return the difference between the maximum & minimum number formed out of the number n in JavaScript
We have to write a function maximumDifference() that takes in a positive number n and returns the difference between the maximum number and the minimum number that can be formed out of the number n.
For example −
If the number n is 203,
The maximum number that can be formed from its digits will be 320
The minimum number that can be formed from its digits will be 23 (placing the zero at one’s place)
And the difference will be −
320-23 = 297
Therefore, the output should be 297
Let's write the code for this function −
Example
const digitDifference = num => {
const asc = +String(num).split("").sort((a, b) => {
return (+a) - (+b);
}).join("");
const des = +String(num).split("").sort((a, b) => {
return (+b) - (+a);
}).join("");
return des - asc;
};
console.log(digitDifference(203));
console.log(digitDifference(123));
console.log(digitDifference(546));
console.log(digitDifference(2354));Output
The output in the console will be −
297 198 198 3087
Updated on: 31-Aug-2020
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