2025-12-16 19:23:42 +0300 MSK

class Solution:
    def sumDivisibleByK(self, nums: List[int], k: int) -> int:
        freq = [0] * 101
        for num in nums:
            freq[num] += 1
        res = 0
        for num, freq in enumerate(freq):
            if freq != 0 and freq % k == 0:
                res += num * freq
        return res