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Cod sursa(job #677079)
#include <fstream>
using namespace std;
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
unsigned i,j,v[1025][1025],s1[1025],s2[1025],m,n,s,var;
unsigned max(unsigned x, unsigned y)
{
if(x>y)
return x;
return y;
}
int main()
{
f>>m>>n;
for(i=1;i<=m;i++)
f>>s1[i];
for(j=1;j<=n;j++)
f>>s2[j];
for(i=1;i<=m;i++)
for(j=1;j<=n;j++)
if(s1[i]==s2[j])
v[i][j]=v[i-1][j-1]+1;
else v[i][j]=max(v[i-1][j],v[i][j-1]);
for(i=1;i<=m;i++)
for(j=1;j<=n;j++)
if(s<v[i][j])s=v[i][j];
g<<s<<'\n';
for(j=1;j<=n;j++)
for(i=1;i<=m;i++)
if(v[i][j]>var)
var=v[i][j],g<<s1[i]<<' ';
g<<'\n';
f.close();
g.close();
return 0;
}