Divide by Zero 2021 and Codeforces Round #714 (Div. 2) Editorial

Revision en11, by ajit, 2021-04-11 23:02:43

Here is the sketch of solutions for the problems. We hope that you have enjoyed this round!

### A. Array and Peaks

• Problem Setter: ajit
• Editorialist: ajit
Tutorial
Implementation in C++

### B. AND Sequences

• Problem Setter: ajit
• Editorialist: ajit
Tutorial
Implementation in C++

Tutorial
Implementation in C++

### D. GCD and MST

• Problem Setter: ajit
• Editorialist: ajit
Tutorial
Implementation in C++

### E. Cost Equilibrium

Tutorial
Implementation in C++

### F. Swapping Problem

Tutorial
Implementation1 in C++
Implementation2 in C++

#### History

Revisions

Rev. Lang. By When Δ Comment
en13 ajit 2021-04-11 23:05:53 0 (published)
en12 ajit 2021-04-11 23:03:50 83
en11 ajit 2021-04-11 23:02:43 42
en10 mtnshh 2021-04-11 22:58:50 1
en9 mtnshh 2021-04-11 22:32:08 3 Tiny change: 'spoiler>\n\n\n' -> 'spoiler>\n'
en8 mtnshh 2021-04-11 22:30:40 2133 Tiny change: '1-04-11]\nEditoria' -> '1-04-11]\n\nEditoria'
en7 mtnshh 2021-04-11 22:18:13 2 Tiny change: '1-04-11]\n\n **Edito' -> '1-04-11]\n **Edito'
en6 ajit 2021-04-11 21:48:42 6300
en5 ajit 2021-04-11 21:09:48 2132 Tiny change: '04-11]\n\n<spoil' -> '04-11]\n\n\n<spoil'
en4 ajit 2021-04-11 20:02:55 579 Tiny change: 'user:ajit]\n\n \textbf' -> 'user:ajit] $\\$\n \textbf'
en3 ajit 2021-04-11 19:46:33 40 Tiny change: 'Hope you g' -> '#### HI Hope you g'
en2 ajit 2021-04-11 19:43:12 530 Tiny change: 'lem/A)\n\n~~~~~\nYour code here...\n~~~~~\n\n' -> 'lem/A)\n\nasa`\n'
en1 ajit 2021-04-11 09:23:01 93 Initial revision (saved to drafts)