question: gets predecessor matrix concode_field_sep int numVertices concode_elem_sep float[][] Dk_minus_one concode_elem_sep float[][] Dk concode_elem_sep int[][] Pk concode_elem_sep int[][] Pk_minus_one concode_field_sep float[][] allPairsShortestPaths concode_elem_sep void initialize
target: int [ ] [ ] function ( ) { return Pk ; }