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36 changes: 36 additions & 0 deletions practice/leetcode/solutions_03600/solution_03653.py
Original file line number Diff line number Diff line change
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#!/usr/bin/env python3

"""LeetCode solution 03653."""

from functools import reduce
from operator import xor

import unittest


class Solution(object):
def xorAfterQueries(self, nums, queries):
"""
:type nums: List[int]
:type queries: List[List[int]]
:rtype: int
"""
for q in queries:
l, r, k, v = q
idx = l
while idx <= r:
nums[idx] = (nums[idx] * v) % (10**9 + 7)
idx += k

return reduce(xor, nums)


class TestSolution(unittest.TestCase):
def test_xorAfterQueries(self):
solution = Solution()
self.assertEqual(solution.xorAfterQueries([1, 1, 1], [[0, 2, 1, 4]]), 4)
self.assertEqual(solution.xorAfterQueries([2, 3, 1, 5, 4], [[1, 4, 2, 3], [0, 2, 1, 2]]), 31)


if __name__ == '__main__':
unittest.main()
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