Hello. Please help me to write an algorithm insert -+*/ and parentheses worksheet with 4 digits. Found that the possible combinations of insertion of these symbols (brackets not considered yet) will be 3^3(ie there are 3 possible places of insertion mod.digits between 4 digits).

But I can not understand how to cycle, putting the signs in the sheet. I insert only 1 type of character in every possible place, and try all possible values are not obtained. Write in java, rather just learning.

But I can not understand how to cycle, putting the signs in the sheet. I insert only 1 type of character in every possible place, and try all possible values are not obtained. Write in java, rather just learning.

asked March 19th 20 at 08:46

1 answer

answered on March 19th 20 at 08:48

Just a couple of days ago I had a similar issue - Problem with parentheses)))))))?

And it had some nice ideas you can use

And it had some nice ideas you can use

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