convert number n to String
$ num = strval ( $ n ) ; $ ans = findLargestCubeUtil ( $ num , $ preProcessedCubes ) ; print ( " Largest ▁ Cube ▁ that ▁ can ▁ be ▁ formed ▁ from ▁ " . $ n . " ▁ is ▁ " . $ ans . " STRNEWLINE " ) ; }