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请问B按+2处理,E可以多次被BFS到,为什么会WA?想不通 >_< 换成B节点第一次从队列取出原地等1时间就AC了 遇到B按+2处理,且不可被多次BFS E按+1处理,并且如果后来走到时间更少则再次BFS 有什么反例吗? 我已经考虑了以下数据: 4 5 EEYEE EESEE EEBEE ESTSE 2 5 YBBBT EEEEE Followed by:
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