HDU 1159 Common Subsequence

#include<iostream>
#include<string>
#include<cstring>
using namespace std;
#define Size 1000
int table[Size+1][Size+1];
int main()
{
        string A, B;
        while( cin>>A>>B )
        {
                memset( table, 0, sizeof(table) );
                int LenA = A.length();
                int LenB = B.length();
                for( int i=1; i<=LenA; i++ )
                {
                        for( int j=1; j<=LenB; j++ )
                        {
                                if( A[i-1]==B[j-1] )
                                    table[i][j]=table[i-1][j-1]+1;
                                else
                                    table[i][j]= table[i-1][j]>table[i][j-1] ? table[i-1][j] : table[i][j-1];
                        }
                }
                cout<<table[LenA][LenB]<<endl;
        }
        return 0;
}