Task $2,$ debug the code $--12$ MarksThe following code segment fails to initialize the array elements to $1.$ State the usage of the keyword auto. Rewrite the code segment so that it could work.int $*$ptr $=$ new int$[7]$; for$($auto& x : ptr$)$x $=1$;Objectives$1.$ re$-$correct the code and make it work by using three different ways. $2.$ explain the reason why the code contains problems $\mathrm{.}3.$ explain how your proposed different approaches solve this problem.submit your code into debug.cpp$,$ subtask$2$ and subtask$3$ should be included in comments of your debug.cpp