The resulting value must be a nonnegative integer less than the sequence's length, and the sequence is asked to assign the assigned object to its item with that index. 最后的值必須是一個(gè)小于該序列長(cháng)度的非負整數，然后該序列就被請求將被賦對象賦值給它帶那個(gè)指標的項。
Given a cube of positive and negative integers, find the sub-cube with the largest sum.The sum of a cube is the sum of all the elements in that cube. 給出一個(gè)正整數和負整數組成的立方體，找出其中具有最大和的子立方體。
