Reminder: in case of any technical issues, you can use the lightweight website m1.codeforces.com, m2.codeforces.com, m3.codeforces.com. ×

Hello 2020 Editorial

Revision en12, by ko_osaga, 2021-01-01 12:21:41

Since the Polygon tutorial system is currently broken, I will replace the editorial with PDF format. Sorry for the inconvenience!

Solution PDF

Problem A was authored by ko_osaga. Code

Problem B was authored by ko_osaga. Code

Problem C was authored by ko_osaga. Code

Problem D was authored by no_ng. Code

Problem E was authored by ckw1140. Code

Problem F was authored by ko_osaga. Code

Problem G was authored by ko_osaga. Code

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en12 English ko_osaga 2021-01-01 12:21:41 8284 Tiny change: '0.pdf?dl=0\n\nProble' -> '0.pdf?dl=0)\n\nProble'
en11 English ko_osaga 2020-01-05 05:57:04 3
en10 English ko_osaga 2020-01-05 05:55:13 67
en9 English ko_osaga 2020-01-05 05:52:49 691 Tiny change: 'problem's polygon name is "yet-ano' -> 'problem's working name was "yet-ano'
en8 English ko_osaga 2020-01-04 21:46:17 20
en7 English ko_osaga 2020-01-04 21:46:00 5236 Tiny change: 'ink about \textit{contracting} the edge ' -> 'ink about **contracting** the edge '
en6 English ko_osaga 2020-01-04 19:49:28 525
en5 English ko_osaga 2020-01-04 19:21:25 530
en4 English ko_osaga 2020-01-04 18:53:51 2 Tiny change: 'orial:1284C]\n</spoil' -> 'orial:1284E]\n</spoil'
en3 English ko_osaga 2020-01-04 18:46:35 153
en2 English ko_osaga 2020-01-04 18:45:55 10331
en1 English ko_osaga 2020-01-04 18:44:39 10326 Initial revision (published)