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Cod sursa(job #988634)
#include <fstream>
using namespace std;
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
int v[1100],vi,i,j,n,m,k,a[1100],b[1100],mat[1100][1100];
void afisare()
{
int ii,jj;
for(ii=1;ii<=n;ii++)
{
for(jj=1;jj<=m;jj++)
{
g<<mat[ii][jj]<<" ";
}
g<<'\n';
}
}
int main()
{
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])
mat[i][j]=mat[i-1][j-1]+1;
else
mat[i][j]=max(mat[i-1][j],mat[i][j-1]);
}
}
k=mat[n][m];
g<<mat[n][m]<<'\n';
i=n;
j=m;
vi=0;
while(k!=0)
{
while(mat[i][j-1]==k)
j--;
while(mat[i-1][j]==k)
i--;
v[++vi]=a[i];
k--;
}
for(i=vi;i>=1;i--)
g<<v[i]<<" ";
g<<'\n';
return 0;
}