Summary

Within the Solution class, we have implemented a function named sumBitDifferences. This function's goal is to figure out the total bit differences between each pair of elements in the provided integer array.

Solution

Explanation

• The function requires two inputs: an integer array called arr and an integer called n, which is the array's size.

• It sets up a variable called ans to hold the total of the bit differences at the end. The type of this variable is long long to support possibly large amounts.

• Next, the function uses the outer loop for (int i = 0; i<31; i++) to iterate over each bit position from 0 to 30 (inclusive). 

• Two variables, ones and zeroes, are initialized inside the outer loop to store the count of elements with the current bit set to 1 or 0, respectively.

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