/**
* Represents the result of finding
* the smallest and largest digits.
*/
interface MinMaxResult {
min: number;
max: number;
}
/**
* Finds the smallest and largest digits in a number.
*
* @param number Input number.
* @returns An object containing the smallest and largest digits.
*/
function findMinMaxDigits(number: number): MinMaxResult {
// Handle negative numbers
number = Math.abs(number);
// Special case for 0
if (number === 0) {
return {
min: 0,
max: 0
};
}
let minDigit: number = 9;
let maxDigit: number = 0;
while (number > 0) {
// Extract the last digit
const digit: number = number % 10;
// Update smallest digit
if (digit < minDigit) {
minDigit = digit;
}
// Update largest digit
if (digit > maxDigit) {
maxDigit = digit;
}
// Remove the last digit
number = Math.floor(number / 10);
}
return {
min: minDigit,
max: maxDigit
};
}
// Input data
const num: number = 839516;
// Find smallest and largest digits
const result: MinMaxResult = findMinMaxDigits(num);
// Display results
console.log(`Number: ${num}`);
console.log(`Smallest digit: ${result.min}`);
console.log(`Largest digit: ${result.max}`);
/*
run:
Number: 839516
Smallest digit: 1
Largest digit: 9
*/
