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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 24211
63.78%
 10906
94.95%
FILE 901 - From Databases to XML 592
1.35%
 65
6.15%
FILE 902 - Password Search 25702
27.81%
 4464
78.20%
FILE 903 - Spiral of Numbers 1118
37.57%
 353
80.74%
FILE 904 - Overlapping Air Traffic Control Zones 459
51.20%
 174
83.91%
FILE 905 - Tacos Panchita 195
35.38%
 81
75.31%
FILE 906 - Rational Neighbor 2485
35.09%
 611
82.82%
FILE 907 - Winterim Backpacking Trip 4746
41.00%
 1412
86.97%
FILE 908 - Re-connecting Computer Sites 15323
38.42%
 3795
90.12%
FILE 909 - The BitPack Data Compression Problem 842
14.73%
 185
41.62%
FILE 910 - TV game 2058
47.72%
 811
91.12%
FILE 911 - Multinomial Coefficients 1535
50.88%
 529
85.07%
FILE 912 - Live From Mars 1156
24.39%
 351
60.11%
FILE 913 - Joana and the Odd Numbers 27645
45.34%
 10045
92.33%
FILE 914 - Jumping Champion 9997
36.51%
 2504
87.02%
FILE 915 - Stack of Cylinders 262
30.15%
 96
75.00%
FILE 916 - Dividing Land 305
2.62%
 31
16.13%
FILE 917 - Euro 2004 221
23.08%
 74
41.89%
FILE 918 - ASCII Mandelbrot 784
28.06%
 208
78.37%
FILE 919 - Cutting Polyominoes 48
37.50%
 31
54.84%
FILE 920 - Sunny Mountains 10368
76.25%
 2763
95.98%
FILE 921 - A Word Puzzle in the Sunny Mountains 895
18.99%
 104
74.04%
FILE 922 - Rectangle by the Ocean 312
46.47%
 119
84.03%
FILE 923 - One Against Many 202
26.73%
 43
62.79%
FILE 924 - Spreading The News 12165
54.16%
 4577
93.82%
FILE 925 - No more prerequisites, please! 877
68.53%
 377
90.45%
FILE 926 - Walking Around Wisely 4269
33.29%
 993
85.50%
FILE 927 - Integer Sequences from Addition of Terms 5196
62.24%
 2874
96.17%
FILE 928 - Eternal Truths 2897
39.45%
 823
87.00%
FILE 929 - Number Maze 33674
32.82%
 5665
79.49%
FILE 930 - Polynomial Roots 483
54.66%
 200
77.50%
FILE 931 - The Probable n-Ascendants 150
17.33%
 57
8.77%
FILE 932 - Checking the N-Queens Problem 496
18.55%
 143
36.36%
FILE 933 - Water Flow 310
47.42%
 127
55.91%
FILE 934 - Overlapping Areas 188
30.85%
 91
49.45%
FILE 935 - Smart Strategy 203
5.91%
 77
5.19%
FILE 936 - Mars for Sale 184
20.11%
 57
29.82%
FILE 937 - Kriss Kross Puzzle 102
17.65%
 49
24.49%
FILE 938 - Gilix 150
37.33%
 71
42.25%
FILE 939 - Genes 2412
38.47%
 738
80.49%
FILE 940 - Autobiographical Numbers 164
34.15%
 50
32.00%
FILE 941 - Permutations 10122
33.94%
 2887
70.42%
FILE 942 - Cyclic Numbers 371
36.12%
 126
57.14%
FILE 943 - Number Format Translator 92
35.87%
 60
41.67%
FILE 944 - Happy Numbers 4677
37.25%
 1119
83.38%
FILE 945 - Loading a Cargo Ship 440
43.41%
 185
77.30%
FILE 946 - A Pile of Boxes 417
54.92%
 216
86.11%
FILE 947 - Master Mind Helper 816
73.53%
 436
91.74%
FILE 948 - Fibonaccimal Base 12517
56.99%
 4400
96.00%
FILE 949 - Getaway 1382
34.95%
 338
79.88%
FILE 950 - Tweedle Numbers 150
32.67%
 54
61.11%
FILE 951 - The Pieces of the Puzzle 120
11.67%
 37
29.73%
FILE 952 - Uno game 126
30.16%
 51
60.78%
FILE 953 - The Incredible Pile Machine 135
69.63%
 71
81.69%
FILE 954 - Tetravex solver 153
32.68%
 55
54.55%
FILE 955 - Interpreting Old Maps 103
25.24%
 28
71.43%
FILE 956 - The Minimum Slot Machine 233
20.60%
 54
66.67%
FILE 957 - Popes 9078
42.20%
 2252
89.03%
FILE 958 - A Homer's Holiday 114
28.95%
 33
60.61%
FILE 959 - Car Rallying 304
40.46%
 74
82.43%
FILE 960 - Gaussian Primes 765
53.73%
 324
88.89%
FILE 961 - Ambiguous or Incomplete Inductive Definitions 26
30.77%
 21
19.05%
FILE 962 - Taxicab Numbers 2472
39.85%
 654
86.85%
FILE 963 - Spelling Corrector 494
7.89%
 167
16.77%
FILE 964 - Custom Language 526
16.73%
 56
53.57%
FILE 965 - Police Road Blocks 91
9.89%
 29
20.69%
FILE 966 - Lost Inheritances 83
7.23%
 34
17.65%
FILE 967 - Circular 5912
40.83%
 1275
88.24%
FILE 968 - Constellations 79
11.39%
 36
22.22%
FILE 969 - AlienAlgebra 143
46.15%
 67
67.16%
FILE 970 - Particles 871
27.44%
 160
73.12%
FILE 971 - Towers 137
19.71%
 54
35.19%
FILE 972 - Horizon Line 1244
34.32%
 351
86.04%
FILE 973 - The Guessing Game 167
35.93%
 68
41.18%
FILE 974 - Kaprekar Numbers 4490
40.94%
 1471
89.53%
FILE 975 - Gutenberg Clumsy Helper 89
37.08%
 46
43.48%
FILE 976 - Bridge Building 1688
49.53%
 380
89.74%
FILE 977 - Old West Rumours 130
26.92%
 41
31.71%
FILE 978 - Lemmings Battle! 12318
40.85%
 3366
90.17%
FILE 979 - The Abominable Triangleman 290
34.83%
 96
67.71%
FILE 980 - X-Express 188
23.94%
 62
67.74%
FILE 981 - Systematic Cyclic Redundancy Check Codes 117
26.50%
 36
66.67%
FILE 982 - Cube 205
33.17%
 68
75.00%
FILE 983 - Localized Summing for Blurring 3798
41.89%
 1197
88.39%
FILE 984 - Finding Haplotypes 130
16.92%
 31
45.16%
FILE 985 - Round and Round Maze 1890
59.79%
 486
91.56%
FILE 986 - How Many? 1025
66.34%
 490
92.45%
FILE 987 - Maternity 289
14.88%
 51
50.98%
FILE 988 - Many Paths, One Destination 4527
39.65%
 1492
90.75%
FILE 989 - Su Doku 7831
33.50%
 1518
83.66%
FILE 990 - Diving for Gold 17953
31.94%
 3430
87.52%
FILE 991 - Safe Salutations 10929
37.85%
 3178
90.94%
FILE 992 - Customer Service Cost Evaluation 88
35.23%
 43
55.81%
FILE 993 - Product of digits 12329
54.00%
 4616
94.35%
FILE 994 - POP 90
3.33%
 52
5.77%
FILE 995 - Super Divisible Numbers 347
55.33%
 161
85.71%
FILE 996 - Find the Sequence 200
24.50%
 92
47.83%
FILE 997 - Show the Sequence 1268
46.92%
 402
90.80%
FILE 998 - Dendogram 180
7.22%
 70
11.43%
FILE 999 - Book signatures 644
35.09%
 158
55.06%
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