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Cod sursa(job #462931)
#include<fstream.h>
long a[2000],b[2000],c[1025][1025],n,m;
void cit()
{ifstream fin("cmlsc.in");
fin>>n>>m;
long i;
for(i=1;i<=n;i++)
fin>>a[i];
for(i=1;i<=m;i++)
fin>>b[i];
fin.close();
}
void solve()
{long i,j,max;
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
{max=c[i-1][j];
if(max<c[i][j-1])
max=c[i][j-1];
c[i][j]=max;
}
}
void afis()
{ofstream fout("cmlsc.out");
fout<<c[n][m];
fout.close();
}
int main()
{cit();
solve();
afis();
return 0;
}