题解

题解

#include <bits/stdc++.h>
using namespace std;
string s,ans;
int t,len;
int main()
{
cin>>s;
cin>>t;
while(t--)
{
len = s.size();
ans="";
for(int i=0;i<=len-1;i)
{
int j = i+1,cnt=1;
while(s[i]==s[j]) j,cnt++;
ans+=cnt+'0';
ans+=s[i];
i=j-1;
}
s=ans;
}
cout<<s<<endl;
}