Sort std::vector by an element inside?

Posted by user146780 on Stack Overflow See other posts from Stack Overflow or by user146780
Published on 2010-06-07T22:47:06Z Indexed on 2010/06/07 22:52 UTC
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I currently have a std::vector which holds std::vector of double. I'd want to sort it by the second element of the double vectore. ex: instead of sorting by MyVec[0] or myvec[1] I wat it to sort myVec[0] and myvec[1] based on myvec[0][1] myvec[1][1]. Basically sort by a contained value, not the objects in it.

so if myvec[0][1] is less than myvec[1][1] then myvec[0] and myvec[1] will swap. Thanks

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