Help In Math Problem

Revision en1, by TheSleepyDevil, 2024-06-24 22:35:02

Given n , k , find the number of pairs (i,j) such that 0<=i<j<=n and k divides (j-i) Testcases up to 1e5 , (k<=n) up to 1e9 Sample:- input : 2 3 1 5 2 output : 6 6

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  Rev. Lang. By When Δ Comment
en2 English TheSleepyDevil 2024-06-24 22:36:12 27 Tiny change: ':-\ninput : \n2\n3 1\n5 2\noutput : \n6\n6' -> ':-\ninput (5,2) , output 6'
en1 English TheSleepyDevil 2024-06-24 22:35:02 196 Initial revision (published)