diff options
| author | tomsmeding <tom.smeding@gmail.com> | 2017-12-23 10:55:40 +0100 |
|---|---|---|
| committer | tomsmeding <tom.smeding@gmail.com> | 2017-12-23 10:55:57 +0100 |
| commit | 695ebdc358096146b7d2594aa252c02027c9dc3f (patch) | |
| tree | 8760d6c5ccfb99c13f74d525cc4d282c579c355b /2017/23-prog.txt | |
| parent | 0ac0ecf13c7793fb6589d2150a17115d990035fa (diff) | |
Day 23
Nice one, having to actually look at the input for once. :)
Diffstat (limited to '2017/23-prog.txt')
| -rw-r--r-- | 2017/23-prog.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/2017/23-prog.txt b/2017/23-prog.txt new file mode 100644 index 0000000..7fbc42a --- /dev/null +++ b/2017/23-prog.txt @@ -0,0 +1,13 @@ +for (b = 106700; b != 123700; b += 17) { + f = 1; // is b prime? + + for (d = 2; d != b; d++) { + for (e = 2; e != b; e++) { + if (d * e == b) f = 0; // nope, it's d * e + } + } + + if (f == 0) h++; +} + +// h = numprimes([106700, 106717 ... 123700]) |