What is the value of a[1] after the following code is executed?int[] a = {0, 2, 4, 1, 3};for(int i = 0; i < a.length; i++)a[i] = a[(a[i] + 3) % a.length]

Question

What is the value of `a[1]` after the following code is executed?

int[] a = {0, 2, 4, 1, 3};
for(int i = 0; i &lt; a.length; i++)
    a[i] = a[(a[i] + 3) % a.length];

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Solution

The given code is in Java. Let's break it down:

An integer array a is declared and initialized with the values {0, 2, 4, 1, 3}.
A for loop is set up to iterate over the length of the array a.
Inside the loop, each element of the array a at index i is reassigned to the value of the element at the index (a[i] + 3) % a.length.

Let's see how this works for a[1]:

Initially, a[1] is 2.
In the loop, when i is 1, a[1] is reassigned to the value of a[(a[1] + 3) % a.length], which is a[(2 + 3) % 5] or a[0].
The value of a[0] is 0.

So, after the code is executed, the value of a[1] is 0.

This problem has been solved

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