2261 K делимых элементов
class Solution {
public int countDistinct(int[] nums, int k, int p) {
// k is number divisible elements
// p is pivot
Set<Long> numSubarray = new HashSet<>();
for (int i = 0; i < nums.length; i++) {
int count_div = 0;
long hashCode = 1;
for (int j = i; j < nums.length; j++) {
hashCode = 199L * hashCode + nums[j];
if (nums[j] % p == 0) {
++count_div;
}
if (count_div <= k) {
numSubarray.add(hashCode);
} else {
break;
}
}
}
return numSubarray.size();
}
}
Dheeraj Sehrawat