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Cod sursa(job #538965)
#include<iostream>
#include<fstream>
using namespace std;
int a[10000],b[10000];
int main ()
{ int n,i,k=1,max,max1;
ifstream fin("subsir2.in");
ofstream fout("subsir2.out");
fin>>n;
for(i=1;i<=n;i++)
{
fin>>a[i];
}
max=a[1];
max1=1;
b[max1]=a[1];
while(max!=10000)
{
max++;
for(i=2;i<=n;i++)
{
if((a[i]==max)&&(i>max1))
{
max1=i;
k++;
b[k]=a[i];
}
if(i==n) break;
}
}
fout<<k<<endl;
for(i=1;i<=k;i++)
{
fout<<b[i]<<" ";
}
fin.close();
fout.close();
return 0;
}