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Leetcode - 66. Plus One

· One min read

https://leetcode.com/problems/plus-one/

Solution 1​

/**
 * @param {number[]} digits
 * @return {number[]}
 */
var plusOne = function (digits) {
  for (let i = digits.length - 1; i >= 0; i--) {
    digits[i] += 1;

    if (digits[i] === 10) {
      digits[i] = 0;
      if (i === 0) {
        digits.unshift(1);
        return digits;
      }
    } else {
      return digits;
    }
  }
};