Which one is more reliable? There are 1000s that I cannot solve, and 1500s and even 2000s I can easily solve. I used to think that ratings was the measure of skill, but recently it seems that looking at the number of correct submissions for problems is proving a better measure for me. Am I mistaken that a 1000 rated person should be able to solve all 1000s? I am now ranking myself based on submission number now, and it has proven far more useful in searching for problems my level. What do you guys think?
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→ Top rated
| # | User | Rating |
|---|---|---|
| 1 | tourist | 4009 |
| 2 | jiangly | 3823 |
| 3 | Benq | 3738 |
| 4 | Radewoosh | 3633 |
| 5 | jqdai0815 | 3620 |
| 6 | orzdevinwang | 3529 |
| 7 | ecnerwala | 3446 |
| 8 | Um_nik | 3396 |
| 9 | ksun48 | 3390 |
| 10 | gamegame | 3386 |
→ Top contributors
| # | User | Contrib. |
|---|---|---|
| 1 | cry | 167 |
| 2 | Um_nik | 163 |
| 3 | maomao90 | 162 |
| 3 | atcoder_official | 162 |
| 5 | adamant | 159 |
| 6 | -is-this-fft- | 158 |
| 7 | awoo | 157 |
| 8 | TheScrasse | 154 |
| 9 | Dominater069 | 153 |
| 9 | nor | 153 |
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A user with rating X should have a 50% chance of solving a problem with rating X in a contest (see this blog for more information). In general, older problems with the same rating are easier/more standard than newer problems with the same rating, but newer problems might have more solves on average because there are more contest participants now. No method is 100% reliable when it comes to knowing how hard a problem will be for you, so don't stress too much about knowing the exact difficulty.