To find the position back to read the next page

CodePudding user response:

Didn't understand what do you mean you want to express

CodePudding user response:

Describe your problem clearly!!!!!

CodePudding user response:

Two dimensional array of vector, the adjacent elements page is up and down

CodePudding user response:

If a page number is fixed, so as long as is recorded in an Int variable current page, point one on the next page, variable + +, points back, variable -,
Page * number each page, and then when the page is read from the vector data