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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 23596
63.77%
 10706
95.00%
FILE 901 - From Databases to XML 591
1.35%
 64
6.25%
FILE 902 - Password Search 23936
27.98%
 4378
78.10%
FILE 903 - Spiral of Numbers 1063
37.91%
 341
81.23%
FILE 904 - Overlapping Air Traffic Control Zones 441
51.02%
 167
84.43%
FILE 905 - Tacos Panchita 154
44.16%
 78
76.92%
FILE 906 - Rational Neighbor 2452
35.07%
 603
82.92%
FILE 907 - Winterim Backpacking Trip 4086
42.09%
 1317
87.47%
FILE 908 - Re-connecting Computer Sites 13943
38.46%
 3722
90.17%
FILE 909 - The BitPack Data Compression Problem 828
14.86%
 183
42.08%
FILE 910 - TV game 2044
47.65%
 804
91.29%
FILE 911 - Multinomial Coefficients 1489
50.64%
 521
85.22%
FILE 912 - Live From Mars 1121
24.44%
 345
60.00%
FILE 913 - Joana and the Odd Numbers 27278
45.42%
 9980
92.36%
FILE 914 - Jumping Champion 9846
36.22%
 2478
86.97%
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 10005
77.54%
 2727
96.04%
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 11435
54.56%
 4463
93.97%
FILE 925 - No more prerequisites, please! 872
68.69%
 375
90.67%
FILE 926 - Walking Around Wisely 4001
33.24%
 973
85.51%
FILE 927 - Integer Sequences from Addition of Terms 5104
62.64%
 2851
96.25%
FILE 928 - Eternal Truths 2770
38.92%
 799
86.98%
FILE 929 - Number Maze 31131
32.12%
 5535
79.39%
FILE 930 - Polynomial Roots 448
53.35%
 184
76.63%
FILE 931 - The Probable n-Ascendants 146
17.81%
 55
9.09%
FILE 932 - Checking the N-Queens Problem 413
21.55%
 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 2293
38.90%
 726
80.30%
FILE 940 - Autobiographical Numbers 149
36.91%
 46
32.61%
FILE 941 - Permutations 9808
33.28%
 2814
69.97%
FILE 942 - Cyclic Numbers 365
35.34%
 121
56.20%
FILE 943 - Number Format Translator 86
32.56%
 56
39.29%
FILE 944 - Happy Numbers 4636
37.32%
 1112
83.54%
FILE 945 - Loading a Cargo Ship 418
43.30%
 179
77.65%
FILE 946 - A Pile of Boxes 363
58.95%
 206
86.41%
FILE 947 - Master Mind Helper 762
73.49%
 404
91.83%
FILE 948 - Fibonaccimal Base 10248
58.73%
 4019
95.87%
FILE 949 - Getaway 1137
35.36%
 320
79.69%
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 134
35.82%
 46
60.87%
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 8025
42.39%
 2189
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 746
53.49%
 314
88.85%
FILE 961 - Ambiguous or Incomplete Inductive Definitions 24
33.33%
 19
21.05%
FILE 962 - Taxicab Numbers 2413
40.32%
 644
86.96%
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 5799
41.04%
 1257
88.15%
FILE 968 - Constellations 72
8.33%
 33
18.18%
FILE 969 - AlienAlgebra 139
45.32%
 64
65.62%
FILE 970 - Particles 842
27.55%
 154
72.73%
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 4346
41.74%
 1462
89.60%
FILE 975 - Gutenberg Clumsy Helper 88
37.50%
 45
44.44%
FILE 976 - Bridge Building 1660
49.58%
 374
90.37%
FILE 977 - Old West Rumours 125
26.40%
 37
29.73%
FILE 978 - Lemmings Battle! 11761
40.93%
 3302
90.25%
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 3737
41.99%
 1181
88.57%
FILE 984 - Finding Haplotypes 126
17.46%
 28
50.00%
FILE 985 - Round and Round Maze 1881
59.65%
 483
91.72%
FILE 986 - How Many? 1010
66.63%
 485
92.58%
FILE 987 - Maternity 280
13.93%
 47
51.06%
FILE 988 - Many Paths, One Destination 4420
39.84%
 1469
90.88%
FILE 989 - Su Doku 7566
33.82%
 1498
83.71%
FILE 990 - Diving for Gold 16162
32.01%
 3351
87.50%
FILE 991 - Safe Salutations 10292
38.44%
 3099
91.32%
FILE 992 - Customer Service Cost Evaluation 82
34.15%
 38
55.26%
FILE 993 - Product of digits 12010
54.02%
 4536
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 1051
47.19%
 359
91.09%
FILE 998 - Dendogram 168
5.95%
 68
10.29%
FILE 999 - Book signatures 632
35.13%
 153
54.25%
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