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\$\begingroup\$ 146 bytes. \$\endgroup\$

Jonathan Frech
– Jonathan Frech

2018-06-17 21:07:24 +00:00
Commented Jun 17, 2018 at 21:07
\$\begingroup\$ 140 bytes. \$\endgroup\$

Chas Brown
– Chas Brown

2018-06-17 21:12:48 +00:00
Commented Jun 17, 2018 at 21:12
\$\begingroup\$ @bobrobbob: Welcome to PPCG! I'm not quite sure how your algorithm works (although it clearly does); but experimentally, it seems you can save some more bytes by replacing range(max(p,q)+1) with range(p+q). \$\endgroup\$

Chas Brown
– Chas Brown

2018-06-18 03:46:33 +00:00
Commented Jun 18, 2018 at 3:46
1

\$\begingroup\$ You can save some more bytes by using {*a} instead of set(a). \$\endgroup\$

Mr. Xcoder
– Mr. Xcoder

2018-06-18 09:18:17 +00:00
Commented Jun 18, 2018 at 9:18

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