Cod sursa(job #492151)
/*
* File: main.cpp
* Author: bitone
*
* Created on October 12, 2010, 1:54 PM
*/
#include <vector>
#include <fstream>
#include <cstdlib>
#include <iterator>
#include <algorithm>
#define MAX_N 1024
using namespace std;
/*
*
*/
vector< int > r;
int C[MAX_N][MAX_N], v[2][MAX_N];
int main(int argc, char** argv)
{
int i, j;
ifstream in( "cmlsc.in" );
in>>v[0][0]>>v[1][0];
for( i=1; i <= v[0][0]; ++i )
in>>v[0][i];
for( j=1; j <= v[1][0]; ++j )
in>>v[1][j];
for( i=1; i <= v[0][0]; ++i )
for( j=1; j <= v[1][0]; ++j )
if( v[0][i] == v[1][j] )
C[i][j]=1+C[i-1][j-1];
else C[i][j]=max( C[i-1][j], C[i][j-1] );
for( i=v[0][0], j=v[1][0]; i && j; )
if( v[0][i] == v[1][j] )
r.push_back(v[0][i]), --i, --j;
else if( C[i-1][j] >= C[i][j-1] )
--i;
else --j;
ofstream out( "cmlsc.out" );
out<<r.size()<<'\n';
copy( r.rbegin(), r.rend(), ostream_iterator<int>( out, " " ) );
out<<'\n';
return EXIT_SUCCESS;
}