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Cod sursa(job #980626)
#include <fstream>
using namespace std;
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
int n, m, a[1030], b[1030], d[1030][1030], i, j, o[1030], k;
int maxim(int x, int y){
if(x<y)
return y;
return x;
}
int main(){
f>>n>>m;
for(i=1; i<=n; i++)
f>>a[i];
for(j=1; j<=m; j++)
f>>b[j];
f.close();
for(i=1; i<=n; i++)
for(j=1; j<=m; j++)
if(a[i]==b[j])
d[i][j]=1+d[i-1][j-1];
else
d[i][j]=maxim(d[i][j-1], d[i-1][j]);
g<<d[n][m]<<"\n";
i=n;
j=m;
while(d[i][j]!=0)
{
if(a[i]==b[j])
{
o[++k]=a[i];
i--;
j--;
}
else
{
if(d[i-1][j]<d[i][j-1])
j--;
else
i--;
}
}
for(i=k; i>0; i--)
g<<o[i]<<' ';
g<<"\n";
g.close();
return 0;
}