hi, essentially, my program needs to store an array of lists so that in main() it can have 2 run modes from the command line.
i.e. i can run the program with
to load a matrix into my array of lists
then use
to do something to the matrix I have just made (which is an array of lists)
i was going to create a global variable which was an array of lists but i need to know the size of it to declare it that way and I only know the size by running ./matrix load filename
Any ideas on how to go about this or other ways around it?
Cheers, Dan
P.S Dont ask why I am using an array of lists (but its pretty important that i do it that way)
3  2754  gpraghuram 1,275
Recognized Expert Top Contributor
hi, essentially, my program needs to store an array of lists so that in main() it can have 2 run modes from the command line.
i.e. i can run the program with
to load a matrix into my array of lists
then use
to do something to the matrix I have just made (which is an array of lists)
i was going to create a global variable which was an array of lists but i need to know the size of it to declare it that way and I only know the size by running ./matrix load filename
Any ideas on how to go about this or other ways around it?
Cheers, Dan
P.S Dont ask why I am using an array of lists (but its pretty important that i do it that way)
Hi,
i assume that you are asking the way how to declare the list array. -
typedef list<int> Int_List;
-
Int_List *list_arr;
-
The above piece helps you to acjieve the same
Thanks
Raghuram
Laharl 849
Recognized Expert Contributor
An array of lists would be a list<int>[], or for easier use, a vector<list<int >.
gpraghuram 1,275
Recognized Expert Top Contributor
An array of lists would be a list<int>[], or for easier use, a vector<list<int >.
What you say is right.
Since he has tole that he has to use array and the sie will be determined at run-time i went for this approach
Raghuram
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