Huge performance difference between c++20, c++17 and c++14

Revision en1, by ChtotoSlabovato, 2022-08-05 17:55:57

On the last contest I have send identical code on compilers for all 3 versions and while I got time limit on ++17 and ++14, on ++20 it took slightly more than a second(twice as fast). Is C++20 that effective or how else that can be explained?

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en1 English ChtotoSlabovato 2022-08-05 17:55:57 302 Initial revision (published)