Given the bottom and allowed values in the pyramid transformation matrix, if you can build all the way to the top of the pyramid so that each triangle pattern in the pyramid is allowed, then return true; otherwise, return false; By pouring the total number of champagne cups, the number of cup positions, and the number of rows, the proportion of champagne to the volume of the glass can be obtained; Provide n in the form of a string and return the minimum good decimal number of n in the form of a string.