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Cod sursa(job #382913)
#include<fstream>
#include<iostream>
using namespace std;
int n, m, i, j, a[1024], b[1024],k,c[1024][1024],d[1024];
void citire()
{ ifstream f("cmlsc.in");
f>>m>>n;
for(i=1;i<=m;i++)
f>>a[i];
for(j=1;j<=n;j++)
f>>b[j];
f.close();
}
int max(int a, int b)
{
if(a>b)
return a;
else return b;
}
void construire()
{
k=0;
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;
else
c[i][j]=max(c[i-1][j], c[i][j-1]);
}
void afisare()
{ ofstream g("cmlsc.out");
g<<c[m][n]<<"\n";
i=m;j=n;
while(i)
{
if(a[i]==b[j])
{
d[++k]=a[i];
i--;
j--;
}
else
if(c[i][j-1]>c[i-1][j])
j--;
else
i--;
}
for(i=c[m][n];i>=1;i--)
g<<d[i]<<" ";
g.close();
}
int main()
{
citire();
construire();
afisare();
return 0;
}