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- #include<bits/stdc++.h>
- using namespace std;
- typedef long long ll;
- int main()
- {
- ll n,i=0,j=9,k,a;
- string s,as;
- cin>>n;
- cin>>s;
- for(k=0;k<n;k++)
- {
- if(s[k]=='L')
- {
- as[i]='1';
- i++;
- }
- else if(s[k]=='R')
- {
- as[j]='1';
- j--;
- }
- else
- {
- a=s[k];
- as[a]='0';
- }
- }
- cout<<as<<endl;
- return 0;
- }
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