lintcode 914. Flip Game 、

914. Flip Game

https://www.cnblogs.com/grandyang/p/5224896.html

class Solution {
public:
    vector<string> generatePossibleNextMoves(string &s) {
        // write your code here
        vector<string> result;  
        for(int i = 1;i < s.size();i++){
            if(s[i] == '+' && s[i-1] == '+')
                result.push_back(s.substr(0,i-1) + "--" + s.substr(i+1,s.size() - i - 1));
        }
        return result;
    }
};