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Browse Problems
Root :: Problem Set Volumes (100...1999) :: Volume 9 (900-999)
Title Total Submissions / Solving % Total Users / Solving %
FILE 900 - Brick Wall Patterns 23477
63.70%
 10664
95.02%
FILE 901 - From Databases to XML 591
1.35%
 64
6.25%
FILE 902 - Password Search 23829
28.01%
 4371
78.08%
FILE 903 - Spiral of Numbers 1063
37.91%
 341
81.23%
FILE 904 - Overlapping Air Traffic Control Zones 440
51.14%
 166
84.94%
FILE 905 - Tacos Panchita 154
44.16%
 78
76.92%
FILE 906 - Rational Neighbor 2448
35.05%
 601
82.86%
FILE 907 - Winterim Backpacking Trip 4030
42.36%
 1312
87.42%
FILE 908 - Re-connecting Computer Sites 13772
38.41%
 3704
90.17%
FILE 909 - The BitPack Data Compression Problem 812
15.15%
 181
42.54%
FILE 910 - TV game 2032
47.83%
 802
91.27%
FILE 911 - Multinomial Coefficients 1474
50.54%
 518
85.33%
FILE 912 - Live From Mars 1103
23.84%
 344
59.88%
FILE 913 - Joana and the Odd Numbers 27242
45.38%
 9962
92.36%
FILE 914 - Jumping Champion 9830
36.20%
 2475
86.99%
FILE 915 - Stack of Cylinders 260
30.00%
 94
75.53%
FILE 916 - Dividing Land 304
2.63%
 30
16.67%
FILE 917 - Euro 2004 185
23.78%
 66
40.91%
FILE 918 - ASCII Mandelbrot 674
29.97%
 196
78.06%
FILE 919 - Cutting Polyominoes 46
36.96%
 29
55.17%
FILE 920 - Sunny Mountains 9982
77.56%
 2714
96.02%
FILE 921 - A Word Puzzle in the Sunny Mountains 884
18.44%
 95
74.74%
FILE 922 - Rectangle by the Ocean 307
46.58%
 117
84.62%
FILE 923 - One Against Many 197
26.90%
 41
63.41%
FILE 924 - Spreading The News 11428
54.56%
 4463
93.97%
FILE 925 - No more prerequisites, please! 872
68.69%
 375
90.67%
FILE 926 - Walking Around Wisely 3938
33.01%
 970
85.57%
FILE 927 - Integer Sequences from Addition of Terms 5087
62.69%
 2847
96.24%
FILE 928 - Eternal Truths 2747
38.88%
 795
86.92%
FILE 929 - Number Maze 30697
32.07%
 5505
79.38%
FILE 930 - Polynomial Roots 445
53.48%
 183
76.50%
FILE 931 - The Probable n-Ascendants 146
17.81%
 55
9.09%
FILE 932 - Checking the N-Queens Problem 412
21.36%
 134
36.57%
FILE 933 - Water Flow 307
47.23%
 125
56.00%
FILE 934 - Overlapping Areas 163
23.31%
 72
38.89%
FILE 935 - Smart Strategy 169
7.10%
 68
5.88%
FILE 936 - Mars for Sale 172
19.77%
 54
27.78%
FILE 937 - Kriss Kross Puzzle 99
16.16%
 46
21.74%
FILE 938 - Gilix 131
38.17%
 61
44.26%
FILE 939 - Genes 2283
38.98%
 722
80.47%
FILE 940 - Autobiographical Numbers 149
36.91%
 46
32.61%
FILE 941 - Permutations 9635
32.98%
 2785
69.73%
FILE 942 - Cyclic Numbers 364
35.16%
 120
55.83%
FILE 943 - Number Format Translator 86
32.56%
 56
39.29%
FILE 944 - Happy Numbers 4633
37.30%
 1111
83.53%
FILE 945 - Loading a Cargo Ship 416
43.27%
 177
77.97%
FILE 946 - A Pile of Boxes 361
59.00%
 205
86.34%
FILE 947 - Master Mind Helper 756
73.68%
 401
91.77%
FILE 948 - Fibonaccimal Base 9851
59.39%
 3978
95.90%
FILE 949 - Getaway 1130
35.31%
 318
79.87%
FILE 950 - Tweedle Numbers 139
33.81%
 51
62.75%
FILE 951 - The Pieces of the Puzzle 109
11.93%
 35
28.57%
FILE 952 - Uno game 108
32.41%
 43
65.12%
FILE 953 - The Incredible Pile Machine 127
70.08%
 65
81.54%
FILE 954 - Tetravex solver 133
35.34%
 45
60.00%
FILE 955 - Interpreting Old Maps 101
24.75%
 26
73.08%
FILE 956 - The Minimum Slot Machine 223
20.63%
 51
68.63%
FILE 957 - Popes 7416
42.46%
 2178
89.26%
FILE 958 - A Homer's Holiday 99
31.31%
 30
60.00%
FILE 959 - Car Rallying 273
41.39%
 72
83.33%
FILE 960 - Gaussian Primes 745
53.42%
 313
88.82%
FILE 961 - Ambiguous or Incomplete Inductive Definitions 24
33.33%
 19
21.05%
FILE 962 - Taxicab Numbers 2411
40.36%
 643
87.09%
FILE 963 - Spelling Corrector 465
7.31%
 163
16.56%
FILE 964 - Custom Language 522
16.86%
 53
56.60%
FILE 965 - Police Road Blocks 86
6.98%
 27
18.52%
FILE 966 - Lost Inheritances 82
7.32%
 33
18.18%
FILE 967 - Circular 5764
41.03%
 1252
88.18%
FILE 968 - Constellations 72
8.33%
 33
18.18%
FILE 969 - AlienAlgebra 139
45.32%
 64
65.62%
FILE 970 - Particles 833
27.85%
 153
73.20%
FILE 971 - Towers 121
17.36%
 46
30.43%
FILE 972 - Horizon Line 1233
34.14%
 349
86.25%
FILE 973 - The Guessing Game 155
38.71%
 63
44.44%
FILE 974 - Kaprekar Numbers 4342
41.78%
 1461
89.66%
FILE 975 - Gutenberg Clumsy Helper 88
37.50%
 45
44.44%
FILE 976 - Bridge Building 1659
49.55%
 373
90.35%
FILE 977 - Old West Rumours 125
26.40%
 37
29.73%
FILE 978 - Lemmings Battle! 11652
41.01%
 3286
90.26%
FILE 979 - The Abominable Triangleman 260
36.15%
 91
69.23%
FILE 980 - X-Express 180
23.89%
 56
71.43%
FILE 981 - Systematic Cyclic Redundancy Check Codes 111
25.23%
 33
66.67%
FILE 982 - Cube 173
32.37%
 61
73.77%
FILE 983 - Localized Summing for Blurring 3702
42.06%
 1173
88.49%
FILE 984 - Finding Haplotypes 126
17.46%
 28
50.00%
FILE 985 - Round and Round Maze 1879
59.66%
 481
91.89%
FILE 986 - How Many? 931
68.31%
 482
92.74%
FILE 987 - Maternity 280
13.93%
 47
51.06%
FILE 988 - Many Paths, One Destination 4414
39.85%
 1465
90.99%
FILE 989 - Su Doku 7554
33.81%
 1495
83.68%
FILE 990 - Diving for Gold 15991
32.08%
 3342
87.58%
FILE 991 - Safe Salutations 10219
38.23%
 3085
91.28%
FILE 992 - Customer Service Cost Evaluation 82
34.15%
 38
55.26%
FILE 993 - Product of digits 11931
53.91%
 4517
94.33%
FILE 994 - POP 88
3.41%
 50
6.00%
FILE 995 - Super Divisible Numbers 338
55.03%
 158
86.08%
FILE 996 - Find the Sequence 197
23.86%
 90
47.78%
FILE 997 - Show the Sequence 1030
47.38%
 355
91.27%
FILE 998 - Dendogram 168
5.95%
 68
10.29%
FILE 999 - Book signatures 632
35.13%
 153
54.25%
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