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Cod sursa(job #151594)
#include<fstream>
using namespace std;
int a[1025],b[1025],n,m,i,j,c[1025][1025];
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
void printsol(int i,int j)
{
if(c[i][j]==0) return;
else
if(a[i]==b[j]){
printsol(i-1,j-1);
g<<a[i]<<" ";}
else
if(c[i][j]==c[i-1][j])
printsol(i-1,j);
else
printsol(i,j-1);
}
int main( void )
{
f>>n>>m;
for(i=1;i<=n;i++) f>>a[i];
for(j=1;j<=m;j++) f>>b[j];
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
if(a[i]==b[j]) c[i][j]=c[i-1][j-1]+1;
else if(c[i-1][j]>c[i][j-1]) c[i][j]=c[i-1][j];
else c[i][j]=c[i][j-1];
g<<c[n][m]<<endl;
printsol(n,m);
g<<endl;
g.close();
}