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Cod sursa(job #154464)
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
short x[1025],y[1025],c[1025][1025],m,n,i,j,k,h;
int main()
{
f>>n>>m;
for(i=1;i<=n;i++)
f>>x[i];
for(i=1;i<=m;i++)
f>>y[i];
for(k=1;k<=n;k++)
for(h=1;h<=m;h++)
if (x[k]==y[h])
c[k][h]=1+c[k-1][h-1];
else
if (c[k-1][h]>c[k][h-1])
c[k][h]=c[k-1][h];
else
c[k][h]=c[k][h-1];
g<<c[n][m]<<"\n";
int d[1025];
for(i=0,k=n,h=m;c[k][h];)
if (x[k]==y[h])
{d[i++]=x[k];k--;h--;}
else
if (c[k][h]==c[k-1][h])
k--;
else
h--;
for(k=i-1;k>=0;k--) g<<d[k]<<" ";
f.close();
g.close();
return 0;
}