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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 24341
63.86%
 10945
94.97%
FILE 901 - From Databases to XML 592
1.35%
 65
6.15%
FILE 902 - Password Search 26092
27.80%
 4484
78.28%
FILE 903 - Spiral of Numbers 1123
37.49%
 356
80.34%
FILE 904 - Overlapping Air Traffic Control Zones 460
51.30%
 175
84.00%
FILE 905 - Tacos Panchita 195
35.38%
 81
75.31%
FILE 906 - Rational Neighbor 2491
35.13%
 614
82.74%
FILE 907 - Winterim Backpacking Trip 4902
40.98%
 1443
87.18%
FILE 908 - Re-connecting Computer Sites 15694
38.58%
 3814
90.14%
FILE 909 - The BitPack Data Compression Problem 881
14.98%
 188
42.55%
FILE 910 - TV game 2060
47.77%
 813
91.14%
FILE 911 - Multinomial Coefficients 1562
50.96%
 534
85.21%
FILE 912 - Live From Mars 1159
24.42%
 353
60.06%
FILE 913 - Joana and the Odd Numbers 27778
45.39%
 10062
92.33%
FILE 914 - Jumping Champion 10145
36.91%
 2511
87.06%
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 868
28.34%
 211
79.62%
FILE 919 - Cutting Polyominoes 50
40.00%
 32
56.25%
FILE 920 - Sunny Mountains 10397
76.21%
 2769
95.99%
FILE 921 - A Word Puzzle in the Sunny Mountains 896
19.08%
 105
74.29%
FILE 922 - Rectangle by the Ocean 321
45.79%
 121
84.30%
FILE 923 - One Against Many 204
26.47%
 44
61.36%
FILE 924 - Spreading The News 12255
54.20%
 4589
93.83%
FILE 925 - No more prerequisites, please! 879
68.49%
 378
90.48%
FILE 926 - Walking Around Wisely 4387
33.23%
 1002
85.53%
FILE 927 - Integer Sequences from Addition of Terms 5223
62.11%
 2878
96.18%
FILE 928 - Eternal Truths 2925
39.69%
 831
87.12%
FILE 929 - Number Maze 34423
32.85%
 5708
79.56%
FILE 930 - Polynomial Roots 484
54.75%
 201
77.61%
FILE 931 - The Probable n-Ascendants 152
17.76%
 58
10.34%
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 190
31.58%
 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 151
37.75%
 72
43.06%
FILE 939 - Genes 2416
38.49%
 739
80.51%
FILE 940 - Autobiographical Numbers 164
34.15%
 50
32.00%
FILE 941 - Permutations 10149
33.96%
 2892
70.44%
FILE 942 - Cyclic Numbers 399
34.09%
 127
57.48%
FILE 943 - Number Format Translator 92
35.87%
 60
41.67%
FILE 944 - Happy Numbers 4702
37.30%
 1122
83.42%
FILE 945 - Loading a Cargo Ship 440
43.41%
 185
77.30%
FILE 946 - A Pile of Boxes 423
54.61%
 216
86.11%
FILE 947 - Master Mind Helper 832
73.68%
 444
91.89%
FILE 948 - Fibonaccimal Base 13242
56.92%
 4498
96.04%
FILE 949 - Getaway 1383
35.00%
 339
79.94%
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 134
28.36%
 54
57.41%
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 9363
42.79%
 2258
89.06%
FILE 958 - A Homer's Holiday 116
29.31%
 34
61.76%
FILE 959 - Car Rallying 312
39.42%
 74
82.43%
FILE 960 - Gaussian Primes 768
53.91%
 325
88.92%
FILE 961 - Ambiguous or Incomplete Inductive Definitions 26
30.77%
 21
19.05%
FILE 962 - Taxicab Numbers 2515
39.68%
 667
86.66%
FILE 963 - Spelling Corrector 494
7.89%
 167
16.77%
FILE 964 - Custom Language 543
17.50%
 57
56.14%
FILE 965 - Police Road Blocks 91
9.89%
 29
20.69%
FILE 966 - Lost Inheritances 83
7.23%
 34
17.65%
FILE 967 - Circular 5942
40.81%
 1281
88.21%
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 1395
38.42%
 368
86.68%
FILE 973 - The Guessing Game 169
36.69%
 68
44.12%
FILE 974 - Kaprekar Numbers 4491
40.93%
 1471
89.53%
FILE 975 - Gutenberg Clumsy Helper 102
38.24%
 56
46.43%
FILE 976 - Bridge Building 1695
49.56%
 382
89.79%
FILE 977 - Old West Rumours 130
26.92%
 41
31.71%
FILE 978 - Lemmings Battle! 12411
40.88%
 3378
90.20%
FILE 979 - The Abominable Triangleman 290
34.83%
 96
67.71%
FILE 980 - X-Express 189
24.34%
 63
68.25%
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 3804
41.90%
 1200
88.42%
FILE 984 - Finding Haplotypes 133
18.80%
 32
46.88%
FILE 985 - Round and Round Maze 1892
59.78%
 487
91.58%
FILE 986 - How Many? 1027
66.41%
 492
92.48%
FILE 987 - Maternity 289
14.88%
 51
50.98%
FILE 988 - Many Paths, One Destination 4542
39.67%
 1499
90.73%
FILE 989 - Su Doku 7923
33.33%
 1525
83.54%
FILE 990 - Diving for Gold 18256
31.96%
 3441
87.56%
FILE 991 - Safe Salutations 11084
37.70%
 3198
90.87%
FILE 992 - Customer Service Cost Evaluation 88
35.23%
 43
55.81%
FILE 993 - Product of digits 12474
53.97%
 4631
94.34%
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 1324
47.05%
 413
90.80%
FILE 998 - Dendogram 180
7.22%
 70
11.43%
FILE 999 - Book signatures 646
35.14%
 159
54.72%
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