| Flag | ID | Title | Ratio(Solve/Submit) | OJ | VPID |
|---|---|---|---|---|---|
| 2676 | The Uxuhul Voting System | 18.18% (2/11) | PKU | 3022 | |
| 2677 | Submarines | 0.00% (0/0) | PKU | 3023 | |
| 2678 | The Gossiping System | 22.22% (2/9) | PKU | 3024 | |
| 2679 | Rings | 22.22% (2/9) | PKU | 3025 | |
| 2680 | Borg Maze | 0.00% (0/4) | PKU | 3026 | |
| 2681 | Base equality | 0.00% (0/0) | PKU | 3027 | |
| 2682 | Shoot-out | 0.00% (0/0) | PKU | 3028 | |
| 2683 | Tour Guide | 0.00% (0/0) | PKU | 3029 | |
| 2684 | Nasty Hacks | 0.00% (0/0) | PKU | 3030 | |
| 2685 | Jezzball | 0.00% (0/0) | PKU | 3031 | |
| 2686 | Card Trick | 0.00% (0/0) | PKU | 3032 | |
| 2687 | Traveling Salesman | 0.00% (0/0) | PKU | 3033 | |
| 2688 | Whac-a-Mole | 0.00% (0/0) | PKU | 3034 | |
| 2689 | Random Walking | 0.00% (0/0) | PKU | 3035 | |
| 2690 | Honeycomb Walk | 0.00% (0/0) | PKU | 3036 | |
| 2691 | Flying Right | 22.22% (2/9) | PKU | 3038 | |
| 2692 | Close Encounter | 30.00% (3/10) | PKU | 3039 | |
| 2693 | Allowance | 22.22% (2/9) | PKU | 3040 | |
| 2694 | Asteroids | 16.67% (2/12) | PKU | 3041 | |
| 2695 | Grazing on the Run | 20.00% (2/10) | PKU | 3042 | |
| 2696 | Walk the Talk | 0.00% (0/0) | PKU | 3043 | |
| 2697 | City Skyline | 25.00% (3/12) | PKU | 3044 | |
| 2698 | Cow Acrobats | 18.18% (2/11) | PKU | 3045 | |
| 2699 | Ant Counting | 16.67% (2/12) | PKU | 3046 | |
| 2700 | Bovine Birthday | 25.00% (3/12) | PKU | 3047 | |
| 2701 | Max Factor | 25.00% (3/12) | PKU | 3048 | |
| 2702 | Securing the Barn | 18.18% (2/11) | PKU | 3049 | |
| 2703 | Hopscotch | 30.00% (3/10) | PKU | 3050 | |
| 2704 | Satellite Photographs | 16.67% (2/12) | PKU | 3051 | |
| 2705 | Bowling | 11.11% (1/9) | PKU | 3053 | |
| 2706 | High Spies | 0.00% (0/0) | PKU | 3054 | |
| 2707 | Digital Friends | 18.18% (2/11) | PKU | 3055 | |
| 2708 | The Bavarian Beer Party | 0.00% (0/0) | PKU | 3056 | |
| 2709 | Evacuation | 16.67% (1/6) | PKU | 3057 | |
| 2710 | Decompression | 25.00% (2/8) | PKU | 3058 | |
| 2711 | Rummikub | 0.00% (0/4) | PKU | 3059 | |
| 2712 | Make it Manhattan | 0.00% (0/0) | PKU | 3060 | |
| 2713 | Subsequence | 21.43% (3/14) | PKU | 3061 | |
| 2714 | Celebrity jeopardy | 25.00% (3/12) | PKU | 3062 | |
| 2715 | Sherlock Holmes | 0.00% (0/6) | PKU | 3063 | |
| 2716 | Payment System | 0.00% (0/0) | PKU | 3064 | |
| 2717 | Stargates | 33.33% (2/6) | PKU | 3065 | |
| 2718 | Maximum | 0.00% (0/0) | PKU | 3066 | |
| 2719 | Japan | 16.67% (2/12) | PKU | 3067 | |
| 2720 | "Shortest" pair of paths | 0.00% (0/7) | PKU | 3068 | |
| 2721 | Saruman's Army | 25.00% (3/12) | PKU | 3069 | |
| 2722 | Fibonacci | 0.00% (0/0) | PKU | 3070 | |
| 2723 | Football | 18.18% (2/11) | PKU | 3071 | |
| 2724 | Robot | 0.00% (0/0) | PKU | 3072 | |
| 2725 | Spam | 18.18% (2/11) | PKU | 3073 |