0167-two-sum-ii-input-array-is-sorted.ts

function twoSum(numbers: number[], target: number): number[] {
    let L = 0;
    let R = numbers.length - 1;

    while (numbers[L] + numbers[R] !== target) {
        if (numbers[L] + numbers[R] > target) {
            R = R - 1;
        } else if (numbers[L] + numbers[R] < target) {
            L = L + 1;
        }
    }

    return [L + 1, R + 1];
}