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Cod sursa(job #473290)
#include<fstream.h>
long n,m,a[1025],b[1025],c[1025];
int main()
{long i,j;
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
f>>n;
f>>m;
for(i=0;i<n;i++)
f>>a[i];
for(j=0;j<m;j++)
f>>b[j];
long contor=0;
for(j=0;j<m;j++)
{
for(i=0;i<n;i++)
if(a[i]==b[j]) {c[++contor]=a[i]; break; }
}
g<<contor<<"\n";
for(i=1;i<=contor;i++)
g<<c[i]<<" ";
f.close();
g.close();
return 0;
}