// 测试用例验证（和你的逻辑完全匹配）
The BMA said the meeting on Tuesday was "informative" and the two sides had reached a "greater mutual understanding" than previously.
。搜狗输入法2026对此有专业解读
At capacity 1, every point gets its own cell, and the tree subdivides as deeply as possible. At capacity 10, many points coexist in the same node, and the tree stays shallow.
text += dec.decode();
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