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Cod sursa(job #641842)
#include<iostream>
#include<fstream>
using namespace std;
ifstream in("cmlsc.in");
ofstream out("cmlsc.out");
int a[1025],b[1025],m,n,c[1025][1025],sol[1025];
int main()
{
in>>n>>m;
for(int i=1;i<=n;i++)
in>>a[i];
for(int i=1;i<=m;i++)
in>>b[i];
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
if(a[i]==b[j])
c[i][j]=c[i-1][j-1]+1;
else
if(c[i][j-1]>=c[i-1][j])
c[i][j]=c[i][j-1];
else
c[i][j]=c[i-1][j];
out<<c[n][m]<<endl;
int i=n,j=m,k=c[n][m];
while(i&&j)
{
if(a[i]==b[j])
{
sol[k]=a[i];
k--;
i--;
j--;
}
else
if(c[i][j-1]>=c[i-1][j])
j--;
else
i--;
}
for(int i=1;i<=c[n][m];i++)
out<<sol[i]<<" ";
return 0;
}