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Cod sursa(job #772494)
#include <fstream>
using namespace std;
int main()
{ int n,m,a[1024],b[1024],c[1024],i,j,counter=0;
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
f>>n>>m;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=m;i++)
f>>b[i];
f.close();
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
if(a[i]==b[j])
{ counter++;
c[counter]=a[i];}
g<<counter<<"\n";
for(i=1;i<=counter;i++)
g<<c[i]<<" ";
g.close();
return 0;
}