Algorithms, C++, std


Simple insert

  Access to second element using key (C++ 11)


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C++, LeetCode

Unordered Map

According to the documentation, the average searching complexity is O(1), by looking more into…

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1. Two Sum



C++, ProjectEuler+

[ProjectEuler+] #8: Largest product in a series

Using string & substr instead of int for large result

C++, ProjectEuler+

[ProjectEuler+] #6: Sum square difference

C++, ProjectEuler+

[ProjectEuler+] #5: Smallest multiple