delete consecutive strings

delete consecutive strings.js

// https://www.geeksforgeeks.org/delete-consecutive-words-sequence/
function deleteConsecutive(arr) {
	let stack = new Stack();

	arr.forEach(element => {
		if (element == stack.peek()) {
			stack.pop();
		} else {
			stack.push(element);
		}
	});

	return stack.size();
}

console.log(deleteConsecutive(['ab', 'aa', 'aa', 'bcd', 'ab',]));
console.log(deleteConsecutive(['tom', 'jerry', 'jerry', 'tom',]));

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