This is xoshiro256++ 1.0, one of our all-purpose, rock-solid generators. It has excellent (sub-ns) speed, a state (256 bits) that is large enough for any parallel application, and it passes all tests we are aware of.
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install sagemath
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g++ -o hax hax.cpp -std=c++20 -
./hax < output.txt
Example solver: solution/3.py & solution/hax.cpp
brics+{s3y3mbzgar1kvoqy08m2nygiddrhex2t}