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Cod sursa(job #775050)
#include<fstream>
using namespace std;
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
#define NMAX 1030
int a[NMAX],b[NMAX],n,m,x[NMAX][NMAX];
void afis(int i,int j)
{
if(i!=0 && j!=0)
{
if(a[i]==b[j])
{
afis(i-1,j-1);
g<<a[i]<<' ';
}
else
if(x[i-1][j]>x[i][j-1])
afis(i-1,j);
else
afis(i,j-1);
}
}
int main()
{
int i,j;
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<=n;i++)
for(j=1;j<=m;j++)
{
if(a[i]==b[j])x[i][j]=x[i-1][j-1]+1;
else
x[i][j]=max(x[i-1][j],x[i][j-1]);
}
g<<x[n][m]<<'\n';
afis(n,m);
return 0;
}