717. 1-bit and 2-bit Characters

（1）代码：

class Solution {
public:
    bool isOneBitCharacter(vector<int>& bits) {
       int len=bits.size(),i=0;
        while(i<len-1)
        {
            if(bits[i]==0)
                i++;
            else
                i=i+2;
        }
        return i==len-1;
    }
};