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Cod sursa(job #663955)
#include <fstream>
using namespace std;
int n,m,a[1030],b[1030],mat[1030][1030],maxim,sir[1030],i,j,nr;
int main()
{
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];
maxim=0;
for (i=1;i<=n;i++)
for (j=1;j<=m;j++)
if (a[i]==b[j])
mat[i][j]=1+ mat[i-1][j-1];
else {
if (mat[i-1][j]>=mat[i][j-1]) maxim=mat[i-1][j];
else
maxim=mat[i][j-1];
mat[i][j]=maxim;
}
g<<mat[n][m]<<'\n';
maxim=mat[n][m];
nr=maxim;
while (maxim>0) {
if (a[n]==b[m]) {
sir[maxim]=a[n];
--maxim;
--n;
--m;
}
else
{
if (mat[n][m-1]>mat[n-1][m]) --m;
else
--n;
}
}
for (i=1;i<=nr;i++)
g<<sir[i]<<' ';
f.close();
g.close();
return 0;
}