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Cod sursa(job #642956)
#include <iostream>
#include <fstream>
using namespace std;
int a[1030],b[1030],m,n,x[1024][1030],p[1030];
void citire()
{
ifstream fin("cmlsc.in");
fin>>m>>n;
for (int i=1;i<=m;i++)
{
x[i][0]=0;
fin>>a[i];
}
for(int i=1;i<=n;i++)
{
x[0][i]=0;
fin>>b[i];
}
}
void dinamic()
{
for(int i=1;i<=m;i++)
for(int j=1;j<=n;j++)
if(a[i]==b[j])
x[i][j]=x[i-1][j-1]+1;
else if(x[i-1][j]>x[i][j-1]) x[i][j]=x[i-1][j];
else x[i][j]=x[i][j-1];
}
void afisare()
{
ofstream fout("cmlsc.out");
fout<<x[m][n]<<'\n';
int i=m,j=n,nr=0;
while(i&&j)
{
if(a[i]==b[j])
{
p[nr++]=a[i];
i--;j--;
}
else
if(x[i][j-1]>=x[i-1][j])
j--;
else
i--;
}
for(int i=nr-1;i>=0;i--)
fout<<p[i]<<" ";
}
int main()
{
citire();
dinamic();
afisare();
return 0;
}