Leetcode 66: https://leetcode.com/problems/plus-one/ class Solution {… — C Programming Language || Hands On Coding — TG.ME

class Solution {
public:
    std::vector<int> plusOne(std::vector<int>& digits) {
        int currentIndex = digits.size() - 1;
        
        while (digits[currentIndex] == 9) {
            if (currentIndex == 0) {
                std::vector<int> resultArr(digits.size() + 1, 0);
                resultArr[0] = 1;
                return resultArr;
            }
            digits[currentIndex] = 0;
            currentIndex--;
        }

        digits[currentIndex]++;
        return digits;
    }
};