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Cod sursa(job #531431)
#include<fstream.h>
#include<iostream.h>
int main()
{int a[2000],b[2000],i,j,n,m,k=0,z=0,v[2000],u=0;
ifstream f("cmlsc.in");
ofstream h("cmlsc.out");
f>>n>>m;
for(i=1;i<=n;i++)
f>>a[i];
for(i=1;i<=m;i++)
f>>b[i];
for(i=1;i<=m;i++)
for(j=1;j<=n;j++)
if(b[i]==a[j])
{
if(j>u)
{z++;
v[z]=b[i];
u=j;}}
h<<z<<endl;
for(i=1;i<=z;i++)
h<<v[i]<<" ";
return 0;}