1
# Runtime: 3295 ms (Top 30.98%) | Memory: 53.7 MB (Top 24.88%)
2
class RangeFreqQuery:
3
    def __init__(self, arr: List[int]):
4
        self.l = [[] for _ in range(10001)]
5
        for i, v in enumerate(arr):
6
            self.l[v].append(i)
7

8
    def query(self, left: int, right: int, v: int) -> int:
9
        return bisect_right(self.l[v], right) - bisect_left(self.l[v], left)