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Cod sursa(job #711151)
#include<fstream>
using namespace std;
ofstream out("cmlsc.out");
ifstream in("cmlsc.in");
int x[1029],y[1029],n,m;
int mat[1029][1029];
void rezolva(){
for(int k=1;k<=n;k++)
for(int h=1;h<=m;h++)
if(x[k]==y[h]) mat[k][h]=1+mat[k-1][h-1];
else
if (mat[k-1][h]>mat[k][h-1]) mat[k][h]=mat[k-1][h];
else mat[k][h]=mat[k][h-1];
}
void afisare(int k,int h){
if(mat[k][h])
if(x[k]==y[h])
{afisare(k-1,h-1);
out<<x[k]<<' ';}
else
{if (mat[k][h]==mat[k-1][h])
afisare(k-1,h);
else if (mat[k][h]==mat[k][h-1])
afisare(k,h-1);
}
}
int main(){
int i,j,maxx=0;
in>>n>>m;
for(i=1;i<=n;i++) in>>x[i];
for(i=1;i<=m;i++) in>>y[i];
rezolva();
out<<mat[n][m]<<"\n";
afisare(n,m);
return 0;
}