#include <iostream>
#include<bits/stdc++.h>
using namespace std;
int main() {
int i;
bool ans=true;
vector<int> temp;
vector<int> pre;
pre.push_back(0);
// pre.push_back(1);
// pre.push_back(2);
temp.push_back(0);
//for(i=0;i<4;i++)
// temp.push_back(pre[i]);
sort(temp.begin(),temp.end());
if(temp.size()>1)
{
for(i=0;i<temp.size()-1;i++)
if(temp[i]==temp[i+1])
{
ans=false;
break;
}
}
for(i=0;i<temp.size();i++)
cout<<temp[i]<<" ";
cout<<endl<<ans;
return 0;
}
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