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Cod sursa(job #794182)
#include<fstream>
using namespace std;
int c[1030][1030],m,n,a[1030],b[1030];
char sol[1030][1030];
ofstream fout("cmlsc.out");
void solutie(int i, int j)
{
if(i!=0 &&j!=0)
{
if(sol[i][j]==' ')
{
solutie(i-1,j-1);
fout<<a[i]<<' ';
}
else if(sol[i][j]=='s')
solutie(i-1,j);
else
solutie(i,j-1);
}
}
int main()
{
ifstream fin("cmlsc.in");
fin>>m>>n;
int i,j;
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;
sol[i][j]=' ';
}
else if(c[i-1][j]>=c[i][j-1])
{
c[i][j]=c[i-1][j];
sol[i][j]='s';
}
else
{
c[i][j]=c[i][j-1];
sol[i][j]='t';
}
fout<<c[m][n]<<"\n";
solutie(m,n);
fout<<"\n";
return 0;
}