| #4646 | #2081144 | #7236. Set intersection | __Cby___ | __Cby___ | Success! | |
| #4645 | #2081223 | #10731. Version Number | HanzhiOvO | HanzhiOvO | Failed. | |
| #4644 | #2081223 | #10731. Version Number | HanzhiOvO | HanzhiOvO | Failed. | |
| #4643 | #2081001 | #6421. Degree of Spanning Tree | CHD | aaron0919 | Success! | |
| #4642 | #2074450 | #6421. Degree of Spanning Tree | CHD | zhongyujie | Success! | |
| #4641 | #2080494 | #6421. Degree of Spanning Tree | CHD | aaron0919 | Success! | |
| #4640 | #2080384 | #6421. Degree of Spanning Tree | CHD | aaron0919 | Success! | |
| #4639 | #2080384 | #6421. Degree of Spanning Tree | yangjiaxi | aaron0919 | Success! | |
| #4638 | #2073162 | #12325. Data Structure Problem | ucup-team7870 | bunH2O | Failed. | |
| #4637 | #2057419 | #12325. Data Structure Problem | ucup-team7870 | gty314159 | Success! | |