why pragma causes WA?

Revision en1, by Ebiarat, 2021-08-04 22:54:27

Hi everyone! for now i was using this
#pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") in my template ,howewer i got WA 2 times due to this pragmas.

i have heard that pragmas can cause TLE but i have never heard that this can cause WA. So can any one tell how pragmas really work and why it can cause WA?

Tags pragma


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en1 English Ebiarat 2021-08-04 22:54:27 397 Initial revision (published)