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Browse Problems
Title Total Submissions / Solving % Total Users / Solving %
FILE 800 - Crystal Clear 346
13.29%
114
30.70%
FILE 801 - Flight Planning 534
20.60%
137
58.39%
FILE 802 - Lead or Gold 1523
14.71%
271
46.13%
FILE 803 - Page Selection by Keyword Matching 555
31.35%
104
42.31%
FILE 804 - Petri Net Simulation 3603
33.47%
528
81.63%
FILE 805 - Polygon Intersections 232
13.79%
90
26.67%
FILE 806 - Spatial Structures 4909
27.38%
677
80.06%
FILE 807 - Towers of Powers 415
17.35%
110
56.36%
FILE 808 - Bee Breeding 4903
41.81%
1301
86.09%
FILE 809 - Bullet Hole 1086
5.34%
180
26.11%
FILE 810 - A Dicey Problem 3587
38.33%
624
85.42%
FILE 811 - The Fortified Forest 3124
35.05%
795
80.00%
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 5415
31.73%
848
78.54%
FILE 815 - Flooded! 15865
32.20%
2223
86.73%
FILE 816 - Abbott's Revenge 16317
31.72%
1889
83.80%
FILE 817 - According to Bartjens 2706
31.23%
489
71.37%
FILE 818 - Cutting Chains 3157
48.84%
627
86.12%
FILE 819 - Gifts Large and Small 1073
15.84%
178
52.81%
FILE 820 - Internet Bandwidth 39314
35.84%
7247
89.68%
FILE 821 - Page Hopping 19099
55.93%
6749
94.15%
FILE 822 - Queue and A 2273
40.43%
422
79.62%
FILE 823 - Stopper Stumper 609
21.67%
154
57.14%
FILE 824 - Coast Tracker 2257
49.71%
933
88.00%
FILE 825 - Walking on the Safe Side 18846
28.93%
3460
84.08%
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 719
19.75%
175
65.71%
FILE 833 - Water Falls 4045
39.95%
1488
81.38%
FILE 834 - Continued Fractions 13395
62.93%
6624
95.29%
FILE 835 - Square of Primes 1595
22.70%
327
54.74%
FILE 836 - Largest Submatrix 15016
34.96%
4663
83.74%
FILE 837 - Light and Transparencies 5453
37.72%
1689
85.67%
FILE 838 - Worm World 2703
15.21%
494
39.88%
FILE 839 - Not so Mobile 27395
36.70%
4649
87.72%
FILE 840 - Deadlock Detection 869
23.82%
256
64.84%
FILE 841 - Snake 1237
11.08%
132
49.24%
FILE 842 - Crossword Puzzles 366
27.87%
100
58.00%
FILE 843 - Crypt Kicker 23908
24.09%
4768
68.37%
FILE 844 - Pousse 617
38.41%
235
70.64%
FILE 845 - Gas Station Numbers 1941
25.91%
504
68.85%
FILE 846 - Steps 20649
48.68%
7866
89.82%
FILE 847 - A Multiplication Game 18606
52.21%
8258
88.77%
FILE 848 - Fmt 5671
20.75%
1196
63.29%
FILE 849 - Radar Tracking 939
9.37%
120
28.33%
FILE 850 - Crypt Kicker II 21645
23.47%
4779
72.78%
FILE 851 - Maze 2383
23.04%
289
54.33%
FILE 852 - Deciding victory in Go 3607
56.75%
1512
93.19%
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 10186
35.37%
2755
86.24%
FILE 856 - The Vigenère Cipher 966
41.82%
371
77.09%
FILE 857 - Quantiser 1027
41.58%
348
85.34%
FILE 858 - Berry Picking 1470
42.11%
484
87.19%
FILE 859 - Chinese Checkers 1170
28.46%
304
79.93%
FILE 860 - Entropy Text Analyzer 4581
26.81%
883
78.14%
FILE 861 - Little Bishops 16373
35.23%
4252
79.33%
FILE 862 - Origami 269
17.10%
54
62.96%
FILE 863 - Process Scheduling 498
2.41%
52
7.69%
FILE 864 - Scheme Pretty-Printing 134
34.33%
81
51.85%
FILE 865 - Substitution Cypher 6112
29.11%
1558
80.36%
FILE 866 - Intersecting Line Segments 3493
44.66%
1075
86.23%
FILE 867 - Storing Images in a Sequence 84
1.19%
39
2.56%
FILE 868 - Numerical Maze 2409
28.52%
642
77.88%
FILE 869 - Airline Comparison 3988
43.30%
1265
84.43%
FILE 870 - Intersecting Rectangles 664
29.82%
205
79.51%
FILE 871 - Counting Cells in a Blob 17683
31.45%
3269
89.69%
FILE 872 - Ordering 8911
42.04%
2813
92.32%
FILE 873 - Loan (II) 374
28.88%
109
75.23%
FILE 874 - 2D Representations 565
28.32%
160
59.38%
FILE 875 - Monopoly 67
1.49%
45
2.22%
FILE 876 - Balanced Expressions 114
3.51%
55
5.45%
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 1845
23.58%
325
72.00%
FILE 880 - Cantor Fractions 9126
31.54%
2244
81.11%
FILE 881 - Points, Polygons and Containers 633
26.86%
156
76.92%
FILE 882 - The Mailbox Manufacturers Problem 1617
74.34%
748
94.39%
FILE 883 - Overlapping Rectangles 348
33.05%
116
76.72%
FILE 884 - Factorial Factors 15171
44.86%
3606
85.00%
FILE 885 - Telephone Directory Alphabetization 473
7.61%
60
40.00%
FILE 886 - Named Extension Dialing 824
30.46%
228
81.58%
FILE 887 - Revolutionary Calendar 447
16.55%
56
58.93%
FILE 888 - Donkey 459
15.03%
79
35.44%
FILE 889 - Islands 198
34.85%
59
57.63%
FILE 890 - Maze (II) 435
27.13%
126
68.25%
FILE 891 - Syntrax 226
26.11%
58
74.14%
FILE 892 - Finding words 2464
35.92%
898
75.06%
FILE 893 - Y3K Problem 5182
50.17%
2294
90.80%
FILE 894 - Juggling Trams 102
24.51%
32
50.00%
FILE 895 - Word Problem 4520
59.16%
2211
93.44%
FILE 896 - Board Game 160
8.12%
43
18.60%
FILE 897 - Anagrammatic Primes 5545
46.20%
1719
90.98%
FILE 898 - Hole Cutter 385
29.61%
97
68.04%
FILE 899 - Colour Circles 430
44.42%
153
84.31%
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