题解|#转换空格#

https://www.nowcoder.com/share/jump/5876869471694233820756

class Solution{public:string replaceSpace(string s){// vector<string> ans;string ans="";

    for(auto x:s)
    {
        if(x==' ')
        {
            ans=ans+"%20";
        }else {
            ans+=x;
        }
    }
    return ans;
}

};