#include<cstdio> #include<iostream> using namespace std; int main(){ string s; cin>>s; int len=s.length(); char now=s[0]; int count=1; for(int i=1;i<len;++i){ if(s[i]==s[i-1]){ count++; } else{ cout<<now<<count; count=1; now=s[i]; } } cout<<now<<count; return 0; }
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