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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 24394
63.88%
 10964
94.97%
FILE 901 - From Databases to XML 599
1.34%
 67
5.97%
FILE 902 - Password Search 26136
27.83%
 4491
78.31%
FILE 903 - Spiral of Numbers 1124
37.54%
 357
80.39%
FILE 904 - Overlapping Air Traffic Control Zones 462
51.52%
 177
84.18%
FILE 905 - Tacos Panchita 212
34.91%
 90
72.22%
FILE 906 - Rational Neighbor 2497
35.16%
 616
82.79%
FILE 907 - Winterim Backpacking Trip 4943
40.91%
 1446
87.21%
FILE 908 - Re-connecting Computer Sites 15756
38.58%
 3820
90.16%
FILE 909 - The BitPack Data Compression Problem 884
15.16%
 190
43.16%
FILE 910 - TV game 2064
47.72%
 815
91.04%
FILE 911 - Multinomial Coefficients 1564
51.02%
 536
85.26%
FILE 912 - Live From Mars 1165
24.55%
 354
60.17%
FILE 913 - Joana and the Odd Numbers 27810
45.43%
 10067
92.34%
FILE 914 - Jumping Champion 10151
36.93%
 2513
87.07%
FILE 915 - Stack of Cylinders 265
30.94%
 98
75.51%
FILE 916 - Dividing Land 322
2.80%
 32
18.75%
FILE 917 - Euro 2004 222
23.42%
 75
42.67%
FILE 918 - ASCII Mandelbrot 878
28.59%
 214
79.91%
FILE 919 - Cutting Polyominoes 52
40.38%
 34
55.88%
FILE 920 - Sunny Mountains 10407
76.23%
 2775
96.00%
FILE 921 - A Word Puzzle in the Sunny Mountains 898
19.27%
 107
74.77%
FILE 922 - Rectangle by the Ocean 323
46.13%
 123
84.55%
FILE 923 - One Against Many 206
27.18%
 46
63.04%
FILE 924 - Spreading The News 12282
54.21%
 4595
93.82%
FILE 925 - No more prerequisites, please! 883
68.29%
 379
90.50%
FILE 926 - Walking Around Wisely 4406
33.27%
 1005
85.47%
FILE 927 - Integer Sequences from Addition of Terms 5236
62.11%
 2884
96.19%
FILE 928 - Eternal Truths 2937
39.84%
 836
87.20%
FILE 929 - Number Maze 34657
32.92%
 5730
79.58%
FILE 930 - Polynomial Roots 488
55.12%
 205
78.05%
FILE 931 - The Probable n-Ascendants 158
17.09%
 60
10.00%
FILE 932 - Checking the N-Queens Problem 498
18.88%
 145
37.24%
FILE 933 - Water Flow 314
48.09%
 129
56.59%
FILE 934 - Overlapping Areas 192
32.29%
 93
50.54%
FILE 935 - Smart Strategy 208
6.73%
 79
7.59%
FILE 936 - Mars for Sale 186
20.97%
 59
32.20%
FILE 937 - Kriss Kross Puzzle 103
18.45%
 50
26.00%
FILE 938 - Gilix 153
38.56%
 74
44.59%
FILE 939 - Genes 2427
38.57%
 745
80.54%
FILE 940 - Autobiographical Numbers 167
34.73%
 53
33.96%
FILE 941 - Permutations 10159
33.99%
 2897
70.42%
FILE 942 - Cyclic Numbers 400
34.25%
 128
57.81%
FILE 943 - Number Format Translator 96
38.54%
 64
45.31%
FILE 944 - Happy Numbers 4705
37.30%
 1123
83.44%
FILE 945 - Loading a Cargo Ship 441
43.54%
 186
77.42%
FILE 946 - A Pile of Boxes 425
54.82%
 217
86.18%
FILE 947 - Master Mind Helper 843
73.90%
 452
92.04%
FILE 948 - Fibonaccimal Base 13370
57.05%
 4514
96.06%
FILE 949 - Getaway 1429
34.36%
 345
80.00%
FILE 950 - Tweedle Numbers 152
33.55%
 56
62.50%
FILE 951 - The Pieces of the Puzzle 122
13.11%
 38
34.21%
FILE 952 - Uno game 135
28.89%
 55
58.18%
FILE 953 - The Incredible Pile Machine 140
70.00%
 76
81.58%
FILE 954 - Tetravex solver 154
33.12%
 56
55.36%
FILE 955 - Interpreting Old Maps 106
25.47%
 30
70.00%
FILE 956 - The Minimum Slot Machine 234
20.94%
 55
67.27%
FILE 957 - Popes 9388
42.82%
 2263
89.09%
FILE 958 - A Homer's Holiday 118
30.51%
 36
63.89%
FILE 959 - Car Rallying 319
40.13%
 78
83.33%
FILE 960 - Gaussian Primes 772
54.15%
 328
89.02%
FILE 961 - Ambiguous or Incomplete Inductive Definitions 34
23.53%
 22
18.18%
FILE 962 - Taxicab Numbers 2519
39.78%
 670
86.72%
FILE 963 - Spelling Corrector 508
8.07%
 169
17.75%
FILE 964 - Custom Language 548
17.88%
 59
57.63%
FILE 965 - Police Road Blocks 94
11.70%
 32
25.00%
FILE 966 - Lost Inheritances 84
8.33%
 35
20.00%
FILE 967 - Circular 5958
40.79%
 1284
88.32%
FILE 968 - Constellations 82
13.41%
 38
26.32%
FILE 969 - AlienAlgebra 144
46.53%
 68
67.65%
FILE 970 - Particles 873
27.49%
 161
73.29%
FILE 971 - Towers 139
20.86%
 55
38.18%
FILE 972 - Horizon Line 1399
38.60%
 370
86.76%
FILE 973 - The Guessing Game 170
37.06%
 69
44.93%
FILE 974 - Kaprekar Numbers 4493
40.93%
 1472
89.54%
FILE 975 - Gutenberg Clumsy Helper 103
38.83%
 57
47.37%
FILE 976 - Bridge Building 1696
49.59%
 383
89.82%
FILE 977 - Old West Rumours 134
26.12%
 42
30.95%
FILE 978 - Lemmings Battle! 12423
40.90%
 3384
90.22%
FILE 979 - The Abominable Triangleman 292
35.27%
 98
68.37%
FILE 980 - X-Express 191
25.13%
 65
69.23%
FILE 981 - Systematic Cyclic Redundancy Check Codes 119
27.73%
 38
68.42%
FILE 982 - Cube 208
34.13%
 71
76.06%
FILE 983 - Localized Summing for Blurring 3816
41.93%
 1206
88.39%
FILE 984 - Finding Haplotypes 138
19.57%
 36
47.22%
FILE 985 - Round and Round Maze 1898
59.91%
 493
91.68%
FILE 986 - How Many? 1031
66.44%
 495
92.53%
FILE 987 - Maternity 290
15.17%
 52
51.92%
FILE 988 - Many Paths, One Destination 4558
39.71%
 1500
90.73%
FILE 989 - Su Doku 7969
33.37%
 1529
83.58%
FILE 990 - Diving for Gold 18293
31.98%
 3446
87.55%
FILE 991 - Safe Salutations 11142
37.65%
 3207
90.77%
FILE 992 - Customer Service Cost Evaluation 96
33.33%
 44
56.82%
FILE 993 - Product of digits 12501
53.96%
 4638
94.33%
FILE 994 - POP 98
3.06%
 53
5.66%
FILE 995 - Super Divisible Numbers 349
55.59%
 163
85.89%
FILE 996 - Find the Sequence 202
25.25%
 94
48.94%
FILE 997 - Show the Sequence 1354
46.75%
 425
90.35%
FILE 998 - Dendogram 187
7.49%
 71
12.68%
FILE 999 - Book signatures 656
34.76%
 160
55.00%
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