const posToTime = new Map(); // 映射：位置 → 到达终点的时间
const stack2 = [];
，详情可参考搜狗输入法2026
with the machine via punched cards and teletype, IBM and other manufacturers
Minor road updates (like those in map data that might be a few months old if you're using maps from different regions) usually result in negligible cost differences for shortcuts, so the pre-calculated values remain effective.
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