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  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4. int main(){
  5.   string s;
  6.   cin>>s;
  7.   sort(s.begin(),s.end());
  8.   while(s.size()>1 &&s[0]=='0'){
  9.       s.erase(0,1);
  10.   }
  11.   cout<<s;
  12. }
Success #stdin #stdout 0s 5284KB
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stdin
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000789
stdout
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789
https://ideone.com/tFkQuN
language:
C++14 (gcc 8.3)
created:
17 hours ago
visibility:
public

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