v5.12.0

Full Changelog: v4.15.0...v5.12.0

What's Changed

• [sonjh1217] Week 12 solution by @sonjh1217 in #1936
• [wozlsla] WEEK 12 solution by @wozlsla in #1941
• [yhkee0404] WEEK 12 solutions by @yhkee0404 in #1942
• [SeongA] Week 12 solution by @delight010 in #1938
• [hyer0705] Week 12 solution by @hyer0705 in #1937
• [hu6r1s] WEEK 12 Solutions by @hu6r1s in #1939
• [Lustellz] WEEK 12 solution by @Lustellz in #1940
• [youngduck] WEEK 12 solutions by @youngduck in #1943

Full Changelog: v4.15.0...v5.12.0