Huawei machine test [108] represents the title number

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Title describes
a character that appears in all the numbers before and after the plus symbol "*", other characters remain constant
public static String MarkNum (String pInStr)
{

null return;
}
Input Description:
enter a string

Output Description: The
character that appears in all the numbers before and after the plus symbol "*", other characters remain unchanged

Example 1
Input
Jkdi234klowe90a3
output
Jkdi * 234 * klowe * 90 * a * 3 *

---

We can start with the unification of the two numbers * parcel number, and then appear in the case of ** remove the string.

#include <bits/stdc++.h>
#include <cstdio>
using namespace std;

int main()
{
    string str;
    while(cin>>str)
    {
        string temp="";
        for(int i=0;i<str.size();i++)
        {
            if(isdigit(str[i])){
                temp+='*';
                temp+=str[i];
                temp+='*';
            }
            else
            temp+=str[i];
        }
        while(temp.find("**")!=string::npos)
        {
            auto pos =temp.find("**");
            if(pos!=string::npos)
                temp=temp.substr(0,pos)+temp.substr(pos+2);
        }
        cout<<temp<<endl;
}

    return 0;
}