Top Answers

1. How is vector<vector<int>> "heavier" than vector<pair<int,int>>?
   79 votes
2. In C++, does initializing a global variable with itself have undefined behaviour?
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3. How do I determine from the documentation what type of exception a function can throw?
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4. How to extract all tuple elements of given type(s) into new tuple
   15 votes
5. Why does compiler optimization not generate a loop for sum of integers from 1..N?
   14 votes