这里的桶中放球是指以下两类问题 :( )已知桶的内径和需放置到桶中的球的大小及个数 ,该桶的高最少是多少的问题 ;( )有一已知内径和高的圆柱形桶和若干个 (数量是足够多 )大小相同的球 ,将这些球放置到该桶中 ,最多可放置多少个球的问题 .为了要桶的高度最小 (或者是放置最 Here the ball in the bucket refers to the following two types of problems: () Knowing the inner diameter of the barrel and the size and number of balls to be placed in the barrel, the problem of how much the bucket is at least high; () Has a known inside diameter With a tall cylindrical drum and several (the number is enough) balls of the same size, put these balls into the bucket, the problem of how many balls can be placed. To minimize the height of the bucket (or to place it the most