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Cod sursa(job #361975)
#include<fstream.h>
ifstream intrare("cmlsc.in");
ofstream iesire("cmlsc.out");
unsigned a[1025][1025],v1[1025],v2[1025],sir[1025];
int max(int nr1,int nr2)
{
if(nr1>nr2) return nr1;
return nr2;
}
int main()
{
int m,n,i,j,nr=0;
intrare>>m>>n;
for(i=1;i<=m;i++) intrare>>v1[i];
for(i=1;i<=n;i++) intrare>>v2[i];
for(i=1;i<=m;i++)
for(j=1;j<=n;j++)
{
if(v1[i]==v2[j]) a[i][j]=a[i-1][j-1]+1;
else a[i][j]=max(a[i-1][j], a[i][j-1]);
}
i=m;j=n;
while((i>0)&&(j>0))
{
if(v1[i]==v2[j])
{
sir[nr++]=v1[i];
i--;j--;
}
else if(a[i-1][j]<a[i][j-1]) j--;
else i--;
}
iesire<<nr<<"\n";
for(i=nr-1;i>=0;i--) iesire<<sir[i]<<" ";
iesire<<"\n";
return 0;
}