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Cod sursa(job #451289)
#include<fstream>
#define max(a,b) (a>b?a:b)
using namespace std;
ifstream in("cmlsc.in");
ofstream out("cmlsc.out");
int v[1025][1025];
int a[1025],b[1025];
int i,j,n,m;
void afiseaza(int i,int j)
{
if(v[i][j])
if(a[i]==b[j])
{
afiseaza(i-1,j-1);
out<<a[i]<<' ';
}
else if(v[i][j]==v[i-1][j])
afiseaza(i-1,j);
else if(v[i][j]==v[i][j-1])
afiseaza(i,j-1);
}
int main ()
{
in>>n>>m;
for(i=1;i<=n;i++)
in>>a[i];
for(i=1;i<=m;i++)
in>>b[i];
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
if(a[i]==b[j])
v[i][j]=v[i-1][j-1]+1;
else
v[i][j]=max(v[i-1][j],v[i][j-1]);
}
out<<v[n][m]<<'\n';
afiseaza(n,m);
return 0;
}