compare duplicate

This is a discussion on compare duplicate within the C++ Programming forums, part of the General Programming Boards category; Code: column 1 column 2 test happy check program run place bat bat heart bat if you have the data ...

  1. #1
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    Code:
    column 1            column 2
     
    test                   happy
    check                program
    run                    place
    bat                    bat
    heart                 bat
    if you have the data above and you wanted to check and see if a string in column 2 appears in column 1. How would
    I go about doing this without checking for the same string twice?

    As you see column 2 has bat listed twice, how do you perform this check only once without checking for bat again?

  2. #2
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    so in my program just loop through and search for the duplicates and remove them? could you give an example thanks.

  3. #3
    Registered User hk_mp5kpdw's Avatar
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    An easy way to not have to consider duplicates would be to store your two groups of data into a set container. If you create a couple set<string> containers and try to insert the same value into the same container then that operation will fail. In the end of all your insert operations, your two set objects will only have unique entries.
    "Owners of dogs will have noticed that, if you provide them with food and water and shelter and affection, they will think you are god. Whereas owners of cats are compelled to realize that, if you provide them with food and water and shelter and affection, they draw the conclusion that they are gods."
    -Christopher Hitchens

  4. #4
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    thanks guys

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