| Flag | ID | Title | Ratio(Solve/Submit) | OJ | VPID |
|---|---|---|---|---|---|
| 816 | The Erythea Campaign | 33.33% (1/3) | PKU | 1697 | |
| 817 | Alice's Chance | 14.29% (1/7) | PKU | 1698 | |
| 818 | Best Sequence | 0.00% (0/0) | PKU | 1699 | |
| 819 | Crossing River | 25.00% (3/12) | PKU | 1700 | |
| 820 | Dissatisfying Lift | 16.67% (2/12) | PKU | 1701 | |
| 821 | Eva's Balance | 23.08% (3/13) | PKU | 1702 | |
| 822 | Find them, Catch them | 30.00% (3/10) | PKU | 1703 | |
| 823 | Georgia and Bob | 0.00% (0/0) | PKU | 1704 | |
| 824 | Generational Replacement | 0.00% (0/0) | PKU | 1705 | |
| 825 | References | 0.00% (0/0) | PKU | 1706 | |
| 826 | Sum of powers | 0.00% (0/0) | PKU | 1707 | |
| 827 | Game | 14.29% (2/14) | PKU | 1708 | |
| 828 | Crossword | 0.00% (0/7) | PKU | 1709 | |
| 829 | Puncher | 0.00% (0/0) | PKU | 1711 | |
| 830 | Flying Stars | 20.00% (1/5) | PKU | 1712 | |
| 831 | Hexadecimal Numbers | 23.08% (3/13) | PKU | 1715 | |
| 832 | Integer Intervals | 15.38% (2/13) | PKU | 1716 | |
| 833 | Dominoes | 0.00% (0/0) | PKU | 1717 | |
| 834 | River Crossing | 7.69% (1/13) | PKU | 1718 | |
| 835 | SQUARES | 33.33% (2/6) | PKU | 1720 | |
| 836 | CARDS | 25.00% (3/12) | PKU | 1721 | |
| 837 | SOLDIERS | 25.00% (3/12) | PKU | 1723 | |
| 838 | ROADS | 0.00% (0/12) | PKU | 1724 | |
| 839 | Advanced Causal Measurements (ACM) | 0.00% (0/0) | PKU | 1727 | |
| 840 | A flea on a chessboard | 0.00% (0/0) | PKU | 1728 | |
| 841 | Perfect Pth Powers | 0.00% (0/0) | PKU | 1730 | |
| 842 | Orders | 42.86% (3/7) | PKU | 1731 | |
| 843 | Parity game | 27.27% (3/11) | PKU | 1733 | |
| 844 | Block Town | 0.00% (0/0) | PKU | 1736 | |
| 845 | Connected Graph | 0.00% (0/0) | PKU | 1737 | |
| 846 | An old Stone Game | 11.11% (1/9) | PKU | 1738 | |
| 847 | Tony's Tour | 0.00% (0/5) | PKU | 1739 | |
| 848 | A New Stone Game | 20.00% (1/5) | PKU | 1740 | |
| 849 | Tree | 11.11% (1/9) | PKU | 1741 | |
| 850 | Coins | 28.57% (4/14) | PKU | 1742 | |
| 851 | Musical Theme | 14.29% (1/7) | PKU | 1743 | |
| 852 | Elevator Stopping Plan | 0.00% (0/3) | PKU | 1744 | |
| 853 | Divisibility | 28.57% (2/7) | PKU | 1745 | |
| 854 | Loan | 0.00% (0/0) | PKU | 1746 | |
| 855 | Expression | 0.00% (0/1) | PKU | 1747 | |
| 856 | Computer Dialogue | 0.00% (0/4) | PKU | 1748 | |
| 857 | Lock Manager | 14.29% (1/7) | PKU | 1749 | |
| 858 | Dictionary | 0.00% (0/7) | PKU | 1750 | |
| 859 | Flip Game | 0.00% (0/0) | PKU | 1753 | |
| 860 | Buffer Manager | 33.33% (1/3) | PKU | 1754 | |
| 861 | Triathlon | 16.67% (1/6) | PKU | 1755 | |
| 862 | Binary Search | 0.00% (0/6) | PKU | 1757 | |
| 863 | Frontier | 0.00% (0/0) | PKU | 1758 | |
| 864 | Garland | 0.00% (0/0) | PKU | 1759 | |
| 865 | Disk Tree | 33.33% (1/3) | PKU | 1760 |