int arr[5]; int index; int n = std::size(arr); bool insert(int element, int index) { if (index<0 && index>n) { printf("Enter a valid index:\n"); return false; } int const leng = 2*n; if (index==n) { int new_arr[leng]; } }
int new_arr[leng];
new
int* pnew_arr = new int[leng];
var
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