With the WSL2 Released, Microsoft has made a big change on the system architecture, including changing from the default bridged network adapter to a hyper-v virtual network adapter. The new version of WSL is built on Hyper-V, which provides independent virtual network adapter for the virtual matchine. Therefore, WSL2 …

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You may often see the following calls std::ios::sync_with_stdio(false) and std::cin.tie(nullptr) in some online judge system, such as leetcode, poj, etc. Someone would tell you that these codes are usually used to speed up the execution time. But what is the exact meanings for these codes? 1static auto _ = []() { 2 …

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