Rosuav

//Given a sorted array of numbers, find how many elements are less than a given number
//Do not include any NaN in the array.
function how_many_less(arr, n) {
	if (!arr.length || arr[0] >= n) return 0;
	let low = 0, high = arr.length;
	while (high > low) {
		let mid = Math.floor((high + low) / 2);
		if (arr[mid] >= n) high = mid;
		else if (arr[mid + 1] < n) low = mid;
		else return mid + 1;

Rosuav

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