As shown in figure, now I have three books in the structure array, now want to add new books into, change how to do?

CodePudding user response:

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CodePudding user response:

In addition, want to use function to achieve, can

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You define nowbook [] array size is 3, how to add?

1, direct start defining nowbook [100]=... , behind nowbook [0]={}, nowbook. [1]={}, and can be added to the 100
2, using the vector directly, had a new book is push_back

CodePudding user response:

You this array defines the length of the three, can't add, suggested that the brackets [] with a greater than 3 Numbers, such as 10. So you can add new members to enter