Simple 4ms C++ solution


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

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