ProjectCF's blog

a problem in atcoder C++23(GCC15.2.0)
By ProjectCF, history, 10 months ago, In English

AC WA

the only difference is language

sample AC on anywhere else I can test, except atcC++23(GCC15.2.0)

  • Vote: I like it
  • +37
  • Vote: I do not like it

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10 months ago, hide # |
← Rev. 3  
Vote: I like it +30 Vote: I do not like it

A minimal testcase: https://godbolt.org/z/KsT4fYcvx

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    10 months ago, hide # ^ |
     
    Vote: I like it +30 Vote: I do not like it

    I can't reproduce that example with 15.2.1, so the bug appears to be fixed upstream.

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10 months ago, hide # |
 
Vote: I like it +9 Vote: I do not like it

One possible fix is to comment out line 80:

if (g <= 0)g = 0;

Feels like a compiler bug?

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10 months ago, hide # |
← Rev. 4  
Vote: I like it -31 Vote: I do not like it

Downvote because it a little off-topic? I think both problem are connected with GCC15.X ...

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4 months ago, hide # |
 
Vote: I like it +31 Vote: I do not like it

It is now fixed.

https://atcoder.jp/posts/language_update20260616_en

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