Question

F'ind a pair (a, b) such that a +b
answer please​

Answer 1

Answer:

Given two integers N and K where N, K > 0, the task is to find the total number of pairs (a, b) where 1 ≤ a, b ≤ N such that a % b = K.

Examples:

Input: N = 4, K = 2

Output: 2

Only valid pairs are (2, 3) and (2, 4).

Input: N = 11, K = 5

Output: 7