#include <bits/stdc++.h>
using namespace std;
int main()
{
int d,n;
cin>>d>>n;
n--;
string s;
s.push_back(d+'0');
while(n--) {
string s1;//描述s
for(int i=0;s[i];i++){
int cnt=1;
while(s[i]==s[i+1])
{cnt++;i++;}
s1.push_back(s[i]);
s1.push_back('0'+cnt);
}
s=s1;
}
cout<<s;
return 0;
}
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转载自blog.csdn.net/ilikecarrots/article/details/86763667
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