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Sorting elements of stack using JavaScript
We are required to write a JavaScript function that takes in an array of Integers. Making use of recursion and the push and pop methods of the array, the function should sort the array inplace.
Example
The code for this will be −
const stack = [−3, 14, 18, −5, 30];
const sortStack = (stack = []) => {
if (stack.length > 0) {
let t = stack.pop();
sortStack(stack);
sortedInsert(stack, t);
};
}
const sortedInsert = (stack, e) => {
if (stack.length == 0 || e > stack[stack.length − 1]) {
stack.push(e);
} else {
let x = stack.pop();
sortedInsert(stack, e);
stack.push(x);
}
}
sortStack(stack);
console.log(stack);Output
And the output in the console will be −
[ −5, −3, 14, 18, 30 ]
Updated on: 23-Nov-2020
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