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Cod sursa(job #486933)
#include<fstream.h>
ifstream fin("cmlsc.in");
ofstream fout("cmlsc.out");
int a[30000],b[30000],c[1000][1000],d[10000];
int main()
{
int i,j,k,m,n;
fin>>m;
fin>>n;
for(i=1;i<=m;i++)
fin>>a[i];
for(i=1;i<=n;i++)
fin>>b[i];
for(i=1;i<=m;i++)
for(j=1;j<=n;j++)
if(a[i]==b[j])
c[i][j]=c[i-1][j-1]+1;
else
if(c[i-1][j]<c[i][j-1])
c[i][j]=c[i][j-1];
else
c[i][j]=c[i-1][j];
fout<<c[m][n]<<'\n';
i=m;j=n;
k=0;
while(i>=1)
{
if(a[i]==b[j])
{ k++;
d[k]=a[i];
i--;
j--;
}
else
if(c[i-1][j]<c[i][j-1])
j--;
else
i--;
}
for(i=k;i>=1;i--)
fout<<d[i]<<' ';
return 0;
}