An array of int named a that contains exactly five elements has already been declared and initialized. In addition, an int variable j has also been declared and initialized to a value somewhere between 0 and 3. Write a single statement that assigns a new

a[j] = 2 * a[j+1];

Explanation:

The complete statement is to Write a single statement that assigns a new value to the element of the array indexed by j. This new value should be equal to twice the value stored in the next element of the array.

So lets say a is an array of type int which is already declared and initialized.

int a[] = {};

declare an int variable j as int j;

The element of array a indexed by j can be represented as a[j] This means the j-th index of array a

The value to be assigned to a[j] is 2 * a[j+1]; with an assignment operator "= " between a[j] and 2 * a[j+1]; in order to assign 2 * a[j+1]; to a[j]

According to the requirement this new value should be twice the value stored in next element of array. The next element of array is represented by a[j+1] which means j+1 index of array a. This means the element at j+1 index that comes after the element at j-th index a[j].

Value should be twice the value stored in next element of array means multiply the 2 with the next element of array i.e. a[j+1]

Now assign this new value  2 * a[j+1];  to a[j].

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