| 5830 | BZOJ1830：[AHOI2008]Y型项链 | 0 | 0 | 0.000% |
| 6830 | BZOJ2830： 随机树 | 0 | 0 | 0.000% |
| 7830 | BZOJ3830：[Poi2014]Freight | 0 | 0 | 0.000% |
| 8830 | BZOJ4830：[Hnoi2017]抛硬币 | 0 | 0 | 0.000% |
| 304342 | CF830A. Office Keys | 0 | 0 | 0.000% |
| 304343 | CF830B. Cards Sorting | 0 | 0 | 0.000% |
| 304344 | CF830C. Bamboo Partition | 0 | 0 | 0.000% |
| 304345 | CF830D. Singer House | 0 | 0 | 0.000% |
| 304346 | CF830E. Perpetual Motion Machine | 0 | 0 | 0.000% |
| 309763 | CF1732A. Bestie | 0 | 0 | 0.000% |
| 309764 | CF1732B. Ugu | 0 | 0 | 0.000% |
| 309765 | CF1732C1. Sheikh (Easy version) | 0 | 0 | 0.000% |
| 309766 | CF1732C2. Sheikh (Hard Version) | 0 | 0 | 0.000% |
| 309767 | CF1732D1. Balance (Easy version) | 0 | 0 | 0.000% |
| 309768 | CF1732D2. Balance (Hard version) | 0 | 0 | 0.000% |
| 309769 | CF1732E. Location | 0 | 0 | 0.000% |
| 310415 | CF1830A. Copil Copac Draws Trees | 0 | 0 | 0.000% |
| 310416 | CF1830B. The BOSS Can Count Pairs | 0 | 0 | 0.000% |
| 310417 | CF1830C. Hyperregular Bracket Strings | 0 | 0 | 0.000% |
| 310418 | CF1830D. Mex Tree | 0 | 0 | 0.000% |
| 310419 | CF1830E. Bully Sort | 0 | 0 | 0.000% |
| 310420 | CF1830F. The Third Grace | 0 | 0 | 0.000% |
| 407565 | GYM102830 A First Problem | 0 | 0 | 0.000% |
| 407566 | GYM102830 B Tryouts | 0 | 0 | 0.000% |
| 407567 | GYM102830 C Kevin's Meme Reacts | 0 | 0 | 0.000% |
| 407568 | GYM102830 D Useful Proofs | 0 | 0 | 0.000% |
| 407569 | GYM102830 E Buying Tacos | 0 | 0 | 0.000% |
| 407570 | GYM102830 F The Great Shuffle | 0 | 0 | 0.000% |
| 407571 | GYM102830 G Contrived Array Property | 0 | 0 | 0.000% |
| 407572 | GYM102830 H Zorro's Revenge | 0 | 0 | 0.000% |