Round 1
Questions:
We are initially given an integer number n.
Find the number of pairs (a,b) such that a*b is a perfect square.
1 <= a,b <= n
Example:
n = 4,
output: 6
Explanation: (1,1), (2,2), (3,3), (4,4), (1,4), (4,1)
Candidate's Approach
No approach provided.
Interviewer's Feedback
No feedback provided.