Dsa
Two Pointers
Hard
Pairs With GCD
Find all the unique pairs of indices in an array where the GCD of the two numbers is greater than a specified integer K. Output the count of unique pairs. Input is a single line of space-separated integers followed by the integer K. Example input: '2 4 6 8 10
2'. Example output: '6'.
Key concepts
two_pointersgcdpairs
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