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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 800 - Crystal Clear 349
13.18%
115
30.43%
FILE 801 - Flight Planning 534
20.60%
137
58.39%
FILE 802 - Lead or Gold 1527
14.80%
273
46.52%
FILE 803 - Page Selection by Keyword Matching 555
31.35%
104
42.31%
FILE 804 - Petri Net Simulation 3611
33.59%
531
81.73%
FILE 805 - Polygon Intersections 233
13.73%
91
26.37%
FILE 806 - Spatial Structures 5077
27.18%
679
80.12%
FILE 807 - Towers of Powers 423
17.97%
114
57.89%
FILE 808 - Bee Breeding 4906
41.81%
1303
86.03%
FILE 809 - Bullet Hole 1090
5.50%
180
26.11%
FILE 810 - A Dicey Problem 3603
38.41%
626
85.46%
FILE 811 - The Fortified Forest 3146
35.00%
800
80.12%
FILE 812 - Trade on Verweggistan 8085
23.41%
1132
78.80%
FILE 813 - Robot 530
10.94%
123
32.52%
FILE 814 - The Letter Carrier's Rounds 5441
31.70%
849
78.56%
FILE 815 - Flooded! 15903
32.23%
2228
86.71%
FILE 816 - Abbott's Revenge 16378
31.77%
1898
83.83%
FILE 817 - According to Bartjens 2728
31.23%
491
71.49%
FILE 818 - Cutting Chains 3193
48.73%
631
86.21%
FILE 819 - Gifts Large and Small 1073
15.84%
178
52.81%
FILE 820 - Internet Bandwidth 39511
35.82%
7272
89.69%
FILE 821 - Page Hopping 19876
55.49%
6813
94.17%
FILE 822 - Queue and A 2283
40.52%
423
79.67%
FILE 823 - Stopper Stumper 609
21.67%
154
57.14%
FILE 824 - Coast Tracker 2350
49.49%
936
88.03%
FILE 825 - Walking on the Safe Side 19134
28.94%
3476
84.09%
FILE 826 - Symbolic Numerical System 1046
9.18%
148
53.38%
FILE 827 - Buddy Memory Allocator 518
16.02%
113
53.98%
FILE 828 - Deciphering Messages 964
28.94%
286
70.98%
FILE 829 - Almost Balanced Trees 649
13.56%
85
35.29%
FILE 830 - Shark 1273
29.77%
355
73.24%
FILE 831 - Document Validator 553
27.12%
130
55.38%
FILE 832 - Financial Risk 723
20.06%
178
66.29%
FILE 833 - Water Falls 4074
40.06%
1495
81.47%
FILE 834 - Continued Fractions 13473
63.01%
6655
95.31%
FILE 835 - Square of Primes 1601
22.74%
328
55.18%
FILE 836 - Largest Submatrix 15067
34.96%
4668
83.74%
FILE 837 - Light and Transparencies 5459
37.75%
1692
85.70%
FILE 838 - Worm World 2728
15.29%
495
40.40%
FILE 839 - Not so Mobile 27516
36.72%
4666
87.74%
FILE 840 - Deadlock Detection 874
24.03%
258
65.12%
FILE 841 - Snake 1242
11.19%
135
49.63%
FILE 842 - Crossword Puzzles 366
27.87%
100
58.00%
FILE 843 - Crypt Kicker 24010
24.12%
4794
68.44%
FILE 844 - Pousse 617
38.41%
235
70.64%
FILE 845 - Gas Station Numbers 1941
25.91%
504
68.85%
FILE 846 - Steps 20868
48.64%
7933
89.78%
FILE 847 - A Multiplication Game 18803
52.42%
8351
88.89%
FILE 848 - Fmt 6070
19.64%
1247
61.35%
FILE 849 - Radar Tracking 1022
9.69%
125
33.60%
FILE 850 - Crypt Kicker II 21937
23.90%
4910
73.50%
FILE 851 - Maze 2385
23.10%
290
54.48%
FILE 852 - Deciding victory in Go 3769
56.46%
1529
93.07%
FILE 853 - DVD Subtitles 582
20.62%
117
64.96%
FILE 854 - Worse Code 362
16.57%
63
53.97%
FILE 855 - Lunch in Grid City 10202
35.40%
2761
86.27%
FILE 856 - The Vigenère Cipher 967
41.88%
372
77.15%
FILE 857 - Quantiser 1027
41.58%
348
85.34%
FILE 858 - Berry Picking 1473
42.23%
484
87.19%
FILE 859 - Chinese Checkers 1170
28.46%
304
79.93%
FILE 860 - Entropy Text Analyzer 4590
26.86%
884
78.17%
FILE 861 - Little Bishops 16515
35.16%
4269
79.36%
FILE 862 - Origami 269
17.10%
54
62.96%
FILE 863 - Process Scheduling 500
2.40%
53
7.55%
FILE 864 - Scheme Pretty-Printing 134
34.33%
81
51.85%
FILE 865 - Substitution Cypher 6144
29.20%
1564
80.43%
FILE 866 - Intersecting Line Segments 3501
44.64%
1077
86.26%
FILE 867 - Storing Images in a Sequence 86
1.16%
41
2.44%
FILE 868 - Numerical Maze 2494
28.75%
656
78.20%
FILE 869 - Airline Comparison 4125
43.78%
1271
84.42%
FILE 870 - Intersecting Rectangles 668
29.94%
207
79.71%
FILE 871 - Counting Cells in a Blob 18622
31.54%
3310
89.73%
FILE 872 - Ordering 8965
41.97%
2823
92.31%
FILE 873 - Loan (II) 374
28.88%
109
75.23%
FILE 874 - 2D Representations 565
28.32%
160
59.38%
FILE 875 - Monopoly 70
1.43%
46
2.17%
FILE 876 - Balanced Expressions 116
3.45%
56
5.36%
FILE 877 - Offset Polygons 360
26.39%
103
76.70%
FILE 878 - Rotating Tetris Pieces 524
26.53%
90
66.67%
FILE 879 - Circuit Nets 1858
23.84%
325
72.00%
FILE 880 - Cantor Fractions 9129
31.54%
2244
81.11%
FILE 881 - Points, Polygons and Containers 637
27.00%
157
77.07%
FILE 882 - The Mailbox Manufacturers Problem 1624
74.14%
748
94.39%
FILE 883 - Overlapping Rectangles 348
33.05%
116
76.72%
FILE 884 - Factorial Factors 15276
44.84%
3615
85.01%
FILE 885 - Telephone Directory Alphabetization 473
7.61%
60
40.00%
FILE 886 - Named Extension Dialing 827
30.71%
230
81.74%
FILE 887 - Revolutionary Calendar 452
17.26%
58
60.34%
FILE 888 - Donkey 459
15.03%
79
35.44%
FILE 889 - Islands 200
35.50%
61
59.02%
FILE 890 - Maze (II) 435
27.13%
126
68.25%
FILE 891 - Syntrax 226
26.11%
58
74.14%
FILE 892 - Finding words 2466
35.89%
899
74.97%
FILE 893 - Y3K Problem 5192
50.19%
2296
90.81%
FILE 894 - Juggling Trams 102
24.51%
32
50.00%
FILE 895 - Word Problem 4522
59.18%
2213
93.45%
FILE 896 - Board Game 160
8.12%
43
18.60%
FILE 897 - Anagrammatic Primes 5559
46.18%
1722
91.06%
FILE 898 - Hole Cutter 385
29.61%
97
68.04%
FILE 899 - Colour Circles 430
44.42%
153
84.31%
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