Question

JAVASCRIPT

Modify the program so that instead of printing the permutations of the letters in an input word, it prints the permutations of the words in an input phrase.

function generatePermutations (a, n) { if (n = 0) { console.log(a.join()); } else { for (let i = 0; i<n; i++) { generatePermutations (a, n - 1); const jn%2 ?0 : i; [a[j], a[n]] - [a[n), a[j]); generatePermutations (a, n - 1); if (process.argv.length - 3) { console.error('Exactly one argument is required'); process.exit(1); const word - process.argv[2); generatePermutations (word.split(''), word. length - 1);

example of output

Answer 1

Author: Rishabh Jain

Date:09/09/2019

function generatePermutations(a, n) {

if (n === 0) {

console.log(a.join(''));

} else {

for (let i = 0; i < n; i++) {

generatePermutations(a, n - 1)

const j = n % 2 === 0 ? 0 : 1;

[a[j], a[n]] = [a[n], a[j]];

}

generatePermutations(a, n - 1)

}

}

if (process.argv.length < 3) {

console.error('Exactly three arguments is required');

process.exit(l);

}

const word = [];

word[0] = process.argv[2];

word[1] = process.argv[3];

word[2] = process.argv[4];

generatePermutations(word, word.length - 1);