A straightforward C++ 4ms solution


  • 0
    T
    class Solution {
    public:
        vector<int> plusOne(vector<int>& digits) {
            for(int i=digits.size() - 1; i>=0; i--)
            {
                if(digits[i] != 9)
                {
                    digits[i] +=1;
                    return digits;
                }
                else
                {
                    digits[i] = 0;
                }
            }
            digits.push_back(0);
            digits[0] = 1;
            return digits;
        }
    };
    

Log in to reply
 

Looks like your connection to LeetCode Discuss was lost, please wait while we try to reconnect.