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C++ Compiler of Codeforces can't add std::move automatically ??????
By Meguhine, history, 3 hours ago, In English

AC code link

TLE code link

I only add std::move() manually to the TLE code, and it got AC.

But why ????? Shouldn't the Compiler add std::move() automatically ??????

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3 hours ago, # |
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Auto comment: topic has been updated by Meguhine (previous revision, new revision, compare).

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3 hours ago, # |
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That kind of optimization usually works if you return named object, not braced ctor.

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