Cod sursa(job #786922)
#include <iostream>
#include <stdio.h>
using namespace std;
int d[1025][1025],n,m,a[1024],b[1024],r[1024],rn=0;
void sorozat(int i,int j){
if(i>0 && j>0){
if(d[i][j]==d[i-1][j-1]+1){
r[rn++]=a[i-1];
sorozat(i-1,j-1);
}
else if(d[i][j]==d[i-1][j]){
sorozat(i-1,j);
}
else{
sorozat(i,j-1);
}
}
}
int main()
{
FILE *f, *g;
f=fopen("cmlsc.in","r");
g=fopen("cmlsc.out","w");
fscanf(f,"%d %d",&m,&n);
cout<<m<<" "<<n<<endl;
for(int i=0;i<m;i++){
fscanf(f,"%d",&a[i]);
cout<<a[i]<<" ";
d[0][i]=0;
}
for(int i=0;i<n;i++){
fscanf(f,"%d",&b[i]);
cout<<b[i]<<" ";
d[i][0]=0;
}
for(int j=1;j<n+1;j++){
for (int i=1;i<=m;i++){
if (a[i-1]==b[j-1]){
d[i][j]=d[i-1][j-1]+1;
}
else{
if(d[i-1][j]>d[i][j-1]) d[i][j]=d[i-1][j];
else d[i][j]=d[i][j-1];
}
}
}
cout<<endl<<d[m][n];
sorozat(m,n);
fprintf(g,"%d\n",d[m][n]);
for(int i=rn-1;i>=0;i--){
fprintf(g,"%d ",r[i]);
}
return 0;
}