class Solution {
public int[] solution(int[] arr, int[][] queries) {
for (int[] query : queries) {
int s = query[0];
int e = query[1];
int k = query[2];
if (k == 0) {
if (s==0) arr[0]++;
continue;
}
int i = s/k*k;
if (s%k != 0) i+=k;
while (i <= e) {
arr[i]++;
i+=k;
}
}
return arr;
}
}