com.dynamic;

   {
   [] seqA;
   [] seqB;
    [][] memory;
   [][]b;
   LongestCommonSubSequence([]seqA, []seqB){
    .seqAseqA;
    .seqBseqB;
    memory [seqA.length][seqB.length];
    ( i;iseqA.length;i){
      ( j;jseqB.length;j){
        memory[i][j];
      }
    }
    b [seqA.length][seqB.length];
  }
  
    lcsLength(){
     innerLcsLength(seqA.length,seqB.length);
  }
    innerLcsLength( i, j){
    (ij){
       ;
    }
    (memory[i][j]){
       memory[i][j];
    }
     tmp;
    (ijseqA[i]seqB[j]){
      tmp innerLcsLength(i,j);
      b[i][j];
    } (innerLcsLength(i,j)innerLcsLength(i,j)){
      tmp innerLcsLength(i,j);
      b[i][j];
    }{
      tmpinnerLcsLength(i,j);
      b[i][j];
    }
    memory[i][j]tmp;
     tmp;
    
  }
  
    printLcs(){
    innerPrintLcs(seqA.length,seqB.length);
  }
    innerPrintLcs( i, j){
    (ij){
      ;
    }
    (b[i][j]){
      innerPrintLcs(i,j);
      System.out.print(seqA[i]);
    } (b[i][j]){
      innerPrintLcs(i,j);
    }{
      innerPrintLcs(i,j);
    }
  }

     main([] args) {
    []seqA []{,,,,,,};
     [] seqB []{,,,,,};
    LongestCommonSubSequence lcs LongestCommonSubSequence(seqA,seqB);
    System.out.println(lcs.lcsLength());
    lcs.printLcs();

  }

}