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c++ Programming Glossary: vec.beginMost efficient way to erase duplicates and sort a c++ vector? http://stackoverflow.com/questions/1041620/most-efficient-way-to-erase-duplicates-and-sort-a-c-vector posting. Thanks for the feedback. vec.erase std unique vec.begin vec.end vec.end std sort vec.begin vec.end Is it faster to erase.. vec.erase std unique vec.begin vec.end vec.end std sort vec.begin vec.end Is it faster to erase the duplicates first as coded.. three approaches Just using vector sort unique sort vec.begin vec.end vec.erase unique vec.begin vec.end vec.end Convert to..
Performance difference between ++iterator and iterator++? http://stackoverflow.com/questions/1303899/performance-difference-between-iterator-and-iterator the next loop std vector std string iterator it for it vec.begin it vec.end it iterate over and do stuff with vec. Is this less.. the previous loop std vector std string iterator it for it vec.begin it vec.end it c performance share improve this question..
Sorting a vector of custom objects http://stackoverflow.com/questions/1380463/sorting-a-vector-of-custom-objects MyStruct 2 is vec.push_back MyStruct 1 this std sort vec.begin vec.end less_than_key Edit As Kirill V. Lyadvinsky pointed out..
Best way to get the index of an iterator? http://stackoverflow.com/questions/2152986/best-way-to-get-the-index-of-an-iterator pointing at. AFAIK this can be done in two ways it vec.begin std distance vec.begin it Which one is better or preferred and.. this can be done in two ways it vec.begin std distance vec.begin it Which one is better or preferred and why c iterator share.. iterator share improve this question I would prefer it vec.begin precisely for the opposite reason given by Naveen so it wouldn't..
How do I sort a vector of pairs based on the second element of the pair? http://stackoverflow.com/questions/279854/how-do-i-sort-a-vector-of-pairs-based-on-the-second-element-of-the-pair stuff. I'd really something that looks like std sort vec.begin vec.end std something_magic int int std less c stl share..
http://stackoverflow.com/questions/317450/why-override-operator vec Fill vec Using a functor Accumulator acc std for_each vec.begin vec.end acc acc.counter contains the sum of all elements of.. of the vector Using a fonction pointer std for_each vec.begin vec.end print prints all elements Concerning your question about..
Erasing elements from a vector http://stackoverflow.com/questions/347441/erasing-elements-from-a-vector int vec myNumbers use shorter name vec.erase std remove vec.begin vec.end number_in vec.end What happens is that remove compacts..
Sorting a vector of objects by a property of the object http://stackoverflow.com/questions/5174115/sorting-a-vector-of-objects-by-a-property-of-the-object vec.push_back MyClass 8 eight sort by i ascending std sort vec.begin vec.end make_member_comparer MyClass i sort by s ascending std.. MyClass i sort by s ascending std sort vec.begin vec.end make_member_comparer MyClass s sort by s descending.. MyClass s sort by s descending std sort vec.begin vec.end make_member_comparer2 std greater MyClass s This will..
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