总共先暂定分成6部分，不断进阶
Login to join training plan
这里将提供六个等级的Codeforces试题训练
第一阶段，rating-range: [800,900]
第二阶段，rating-range: [1000,1200]
第三阶段，rating-range: [1300,1500]
第四阶段，rating-range: [1600,1750]
第五阶段，rating-range: [1800,1900]
第六阶段，rating-range: [2000,2300]
Section 1. 菜鸡入门
Open
| Problem | Tried | AC | Difficulty |
|---|---|---|---|
| P16B Burglar and Matches | 56 | 17 | 6 |
| P26A Almost Prime | 42 | 16 | 5 |
| P34B Sale | 32 | 14 | 5 |
| P45A Codecraft III | 23 | 13 | 5 |
| P48A Rock-paper-scissors | 19 | 13 | 5 |
| P96A Football | 36 | 12 | 6 |
| P129A Cookies | 19 | 11 | 6 |
| P152A Marks | 16 | 7 | 8 |
| P199A Hexadecimal's theorem | 12 | 7 | 9 |
| P631A Interview | 6 | 4 | 10 |
| P729A Interview with Oleg | 4 | 4 | 10 |
| P801B Valued Keys | 5 | 4 | 10 |
| P876A Trip For Meal | 8 | 5 | 10 |
| P870A Search for Pretty Integers | 10 | 4 | 9 |
| P1106C Lunar New Year and Number Division | 9 | 3 | 10 |
| P1166A Silent Classroom | 6 | 3 | 10 |
| P1187A Stickers and Toys | 4 | 3 | 10 |
| P1501B Napoleon Cake | 18 | 3 | 9 |
| P1559B Mocha and Red and Blue | 10 | 3 | 10 |
| P1642B Power Walking | 12 | 2 | 10 |