题目
英语翻译
David hates to wait at stop signs,yield signs and traffic signals while driving.To minimize this aggravation,he has prepared maps of the various regions in which he frequently drives,and measured the average delay (in seconds) at each of the various intersections in these regions.He wants to find the routes between specified points in these regions which minimize his delay at intersections (regardless of the total distance he has to drive to avoid delays),and has enlisted your assistance in this effort.
Input
For each region,David provides you with a map.The map data first identifies some number of intersections,NI.The regions never include more than 10 intersections.The intersections in each region are numbered sequentially,starting with the number one (1).For each intersection,in turn,the input then specifies the number of streets leading away from the intersection,and for each such street,the number of the intersection to which the street leads,and the average delay
David hates to wait at stop signs,yield signs and traffic signals while driving.To minimize this aggravation,he has prepared maps of the various regions in which he frequently drives,and measured the average delay (in seconds) at each of the various intersections in these regions.He wants to find the routes between specified points in these regions which minimize his delay at intersections (regardless of the total distance he has to drive to avoid delays),and has enlisted your assistance in this effort.
Input
For each region,David provides you with a map.The map data first identifies some number of intersections,NI.The regions never include more than 10 intersections.The intersections in each region are numbered sequentially,starting with the number one (1).For each intersection,in turn,the input then specifies the number of streets leading away from the intersection,and for each such street,the number of the intersection to which the street leads,and the average delay
提问时间:2021-03-18
答案
大卫讨厌等待停止的迹象,产量标志和交通信号,而驾驶.为了尽量减少这种恶化,他已经准备地图,各地区,他经常驱动器和测量的平均延迟时间(以秒为单位)在各个不同的十字路口在这些地区.他希望找到指定的路线点之间在这...
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