1.5字符串 基本字符串压缩

 1 class Zipper {
 2 public:
 3     string zipString(string iniString) {
 4         // write code here
 5         string out;
 6         char ch=iniString[0];
 7         int n = 0;
 8         for(int i=0;i<=iniString.size();++i)
 9         {
10             if(iniString[i]!=ch)
11             {
12                 out=out+ch+to_string(n);
13                 n=1;
14                 ch = iniString[i];
15             }
16             else
17             {
18                 n++;
19             }
20
21         }
22         if(out.size()>=iniString.size())
23             return iniString;
24         return out;
25     }
26 };