I have an array (say) arr1 = [9,4,2,5]
and another array arr2 = [1,6,3,7]
I want to sort arr2
and I also want to change swap elements of arr1 as per arr2.
so think of it as the elements of at same index of both arrays are attached. like 9 of arr1 and 1 of arr2 are attached. similarly, the other elements are.
so if arr2 is sorted which is [1,3,6,7]
I want arr1 to have elements in this order [9,2,4,5]
Is there a way to do that directly in c++ using stl?
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