我的 Codeforces 账号们
https://codeforces.com/profile/OMG_78
https://codeforces.com/profile/ptraffic1919810
https://codeforces.com/profile/ptraffic114514
大事
2021.7.3：人生中第一场 Codeforces & \(\color{gray} \text{Newbie}\) 祭
2021.9.21：Codeforces \(\color{green} \text{Pupil}\) 祭
2021.12.2：Codeforces 二次 \(\color{green} \text{Pupil}\) 祭
2021.12.25：Codeforces 三次 \(\color{green} \text{Pupil}\) 祭
2022.2.1：Codeforces 四次 \(\color{green} \text{Pupil}\) 祭
2022.3.7：Codeforces 五次 \(\color{green} \text{Pupil}\) 祭
2022.6.16：Codeforces \(\color{cyan} \text{Specialist}\) 祭
2022.6.26：Codeforces \(\color{cyan} \text{Specialist}\times 2\) 祭
2022.10.21：Codeforces \(\color{blue} \text{Expert}\) 祭
2022.12.31：Codeforces \(\color{blue} \text{Expert} \times 2\) 祭
2023.2.10：Codeforces \(\color{blue} \text{Expert} \times 3\) 祭
2023.3.19：Codeforces 二次 \(\color{blue} \text{Expert} \times 3\) 祭
2023.3.27：Codeforces 三次 \(\color{blue} \text{Expert} \times 3\) 祭
2023.5.26：Codeforces \(\color{purple} \text{Candidate Master}\) 大祭