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Cod sursa(job #276118)
#include<fstream.h>
#define max 1024
ifstream fin("cmlsc.in");
ofstream fout("cmlsc.out");
int a[max],b[max],c[max][max],d[max];
int n,m,k;
void citire()
{int i;
fin>>n>>m;
for(i=1;i<=n;i++) fin>>a[i];
for(i=1;i<=m;i++) fin>>b[i];
}
int main()
{int i,j;
citire();
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
if(a[i]==b[j])
c[i][j]=1+c[i-1][j-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];
}
fout<<c[n][m];
fout<<"\n";
/*for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
if(a[i]==b[j]) d[++k]=a[i];*/
i=n;j=m;
while(i || j)
if(a[i]==b[j])
{d[++k]=a[i];
i--;j--;
}
else
if(c[i-1][j]<c[i][j-1]) j--;
else i--;
for(i=1;i<=k;i++) fout<<d[i]<<" ";
fin.close();
fout.close();
return 0;
}