In my opinion it would be worth explaining why something is considered a productivity trick at what it does. Plus, prepend std:: in case it's needed, because your readers might not know that std::accumulate is part of the <numeric> header.
A few comments without wanting to be complete here.
In production environment never ever use <bits/stdc++.h>. It will blow the size of your software as it includes whatever, plus it's not portable between different compilers.
No. In 2021 you barely need macros. Start with this.
6.-8. In C++ there is no built-in __builtin_popcount nor __gcd. Some compilers might or might not provide them. But at least std::gcd is provided by the the standard library in <numeric> header.
+1) Productivity trick. Understand what you use and why you use it, that's the only thing that will boost your productivity in the long run.
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In my opinion it would be worth explaining why something is considered a productivity trick at what it does. Plus, prepend
std::in case it's needed, because your readers might not know thatstd::accumulateis part of the<numeric>header.A few comments without wanting to be complete here.
In production environment never ever use
<bits/stdc++.h>. It will blow the size of your software as it includes whatever, plus it's not portable between different compilers.No. In 2021 you barely need macros. Start with this.
6.-8. In C++ there is no built-in
__builtin_popcountnor__gcd. Some compilers might or might not provide them. But at leaststd::gcdis provided by the the standard library in<numeric>header.+1) Productivity trick. Understand what you use and why you use it, that's the only thing that will boost your productivity in the long run.