改变“位置”和改变“内容” (1)do the following N-1 times: (1.1)X←-1； (1.2)while X N do the following: (1.2.1)if V[X+1]V[X]then exchange them; (1.2.2)X←X+1. How to exchange them?改变“位置”和改变“内容” How to exchange them?