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Cod sursa(job #148698)
#include<fstream.h>
#define nmax 1025
int x[nmax],y[nmax],n,m,i,j,k,lcs[nmax][nmax],h,d[nmax];
int main()
{
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
f>>n>>m;
for(i=1;i<=n;i++)
f>>x[i];
for(j=1;j<=m;j++)
f>>y[j];
for(k=1;k<=n;k++)
for(h=1;h<=m;h++)
if(x[k]==y[h])
lcs[k][h]=1+lcs[k-1][h-1];
else
if(lcs[k-1][h]>lcs[k][h-1])
lcs[k][h]=lcs[k-1][h];
else
lcs[k][h]=lcs[k][h-1];
g<<lcs[n][m]<<"\n";
for(i=0,k=n,h=m;lcs[k][h];)
if(x[k]==y[h])
{
d[i++]=x[k];
k--;
h--;
}
else
if(lcs[k][h]==lcs[k-1][h])
k--;
else
h--;
for(k=i-1;k>=0;k--)
g<<d[k]<<" ";
return 0;
}