| # | User | Rating |
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| 1 | tourist | 4009 |
| 2 | jiangly | 3773 |
| 3 | Radewoosh | 3646 |
| 4 | ecnerwala | 3624 |
| 5 | jqdai0815 | 3620 |
| 5 | Benq | 3620 |
| 7 | orzdevinwang | 3612 |
| 8 | Geothermal | 3569 |
| 8 | cnnfls_csy | 3569 |
| 10 | Um_nik | 3396 |
| # | User | Contrib. |
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| 2 | cry | 161 |
| 3 | maomao90 | 160 |
| 4 | -is-this-fft- | 159 |
| 5 | awoo | 158 |
| 6 | atcoder_official | 157 |
| 7 | adamant | 155 |
| 7 | nor | 155 |
| 9 | maroonrk | 152 |
| 10 | Dominater069 | 148 |
Problem E. Cosmic Rays from last Div1 + Div2 Round had an interesting application of stack. So, I created a video editorial to help you visualize stack problems using graph modelling.
https://youtu.be/l2LTxerp2KE?si=FQzjaNj1Y-QiMH1V
I also created a practice contest https://codeforces.me/group/7Dn3ObOpau/contest/542909
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