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Title Total Submissions / Solving % Total Users / Solving %
FILE 100 - The 3n + 1 problem 607701
27.08%
88316
72.54%
FILE 101 - The Blocks Problem 81637
19.91%
16978
65.20%
FILE 102 - Ecological Bin Packing 83453
38.06%
23628
86.41%
FILE 103 - Stacking Boxes 37426
24.00%
9670
62.44%
FILE 104 - Arbitrage 27001
22.27%
5454
65.31%
FILE 105 - The Skyline Problem 48172
23.08%
11867
63.82%
FILE 106 - Fermat vs. Pythagoras 26274
32.72%
5889
64.54%
FILE 107 - The Cat in the Hat 45659
19.63%
7664
65.63%
FILE 108 - Maximum Sum 47436
40.48%
15240
80.17%
FILE 109 - SCUD Busters 11104
28.12%
2810
64.20%
FILE 110 - Meta-Loopless Sorts 10303
27.98%
2886
60.43%
FILE 111 - History Grading 24486
42.37%
9800
74.49%
FILE 112 - Tree Summing 31733
26.22%
6525
76.72%
FILE 113 - Power of Cryptography 48991
38.86%
16199
87.81%
FILE 114 - Simulation Wizardry 7826
30.45%
2166
73.64%
FILE 115 - Climbing Trees 6426
32.10%
1882
80.13%
FILE 116 - Unidirectional TSP 42448
20.08%
8075
64.99%
FILE 117 - The Postal Worker Rings Once 7576
48.34%
3196
89.61%
FILE 118 - Mutant Flatworld Explorers 15543
37.75%
5831
84.86%
FILE 119 - Greedy Gift Givers 26114
24.94%
8080
67.12%
FILE 120 - Stacks of Flapjacks 28289
39.27%
8620
86.23%
FILE 121 - Pipe Fitters 7175
40.98%
2826
86.69%
FILE 122 - Trees on the level 19811
21.79%
4295
68.22%
FILE 123 - Searching Quickly 11193
32.63%
3602
73.38%
FILE 124 - Following Orders 9031
34.69%
3337
72.61%
FILE 125 - Numbering Paths 8872
25.88%
2463
70.24%
FILE 126 - The Errant Physicist 4158
30.33%
1445
74.74%
FILE 127 - "Accordian" Patience 11378
34.68%
2984
76.64%
FILE 128 - Software CRC 18090
41.94%
3750
88.43%
FILE 129 - Krypton Factor 3989
36.43%
1565
77.76%
FILE 130 - Roman Roulette 8136
41.80%
3368
82.01%
FILE 131 - The Psychic Poker Player 3380
50.65%
1542
89.62%
FILE 132 - Bumpy Objects 3593
38.80%
989
81.19%
FILE 133 - The Dole Queue 11350
44.26%
4636
86.09%
FILE 134 - Loglan-A Logical Language 3431
27.57%
976
79.61%
FILE 135 - No Rectangles 2867
25.08%
1006
49.11%
FILE 136 - Ugly Numbers 66479
30.08%
19491
76.32%
FILE 137 - Polygons 4187
19.23%
942
58.70%
FILE 138 - Street Numbers 18096
43.41%
7435
83.20%
FILE 139 - Telephone Tangles 9107
14.34%
1383
45.26%
FILE 140 - Bandwidth 6631
44.65%
2310
89.31%
FILE 141 - The Spot Game 6385
40.11%
1985
88.92%
FILE 142 - Mouse Clicks 6342
20.78%
2229
41.86%
FILE 143 - Orchard Trees 17199
10.95%
2201
37.76%
FILE 144 - Student Grants 5694
44.13%
2533
83.89%
FILE 145 - Gondwanaland Telecom 8792
22.88%
2346
71.36%
FILE 146 - ID Codes 20854
52.79%
9196
92.31%
FILE 147 - Dollars 40026
24.36%
8517
68.35%
FILE 148 - Anagram checker 4484
34.12%
1207
76.14%
FILE 149 - Forests 1119
42.45%
346
74.57%
FILE 150 - Double Time 2326
28.93%
710
61.97%
FILE 151 - Power Crisis 17603
58.67%
8894
92.44%
FILE 152 - Tree's a Crowd 8803
38.13%
2669
85.31%
FILE 153 - Permalex 6775
28.34%
2259
69.46%
FILE 154 - Recycling 5410
52.03%
2702
89.16%
FILE 155 - All Squares 6634
48.75%
2979
85.16%
FILE 156 - Ananagrams 12595
53.46%
5563
92.18%
FILE 157 - Route Finding 1986
29.96%
601
79.20%
FILE 158 - Calendar 2806
15.15%
619
55.74%
FILE 159 - Word Crosses 4809
23.44%
1620
58.40%
FILE 160 - Factors and Factorials 33943
30.60%
10117
80.81%
FILE 161 - Traffic Lights 6704
35.59%
2164
85.44%
FILE 162 - Beggar My Neighbour 3389
32.02%
1045
77.13%
FILE 163 - City Directions 1608
13.99%
279
64.52%
FILE 164 - String Computer 11274
29.55%
2358
72.77%
FILE 165 - Stamps 3337
37.61%
1120
79.55%
FILE 166 - Making Change 8076
35.85%
2243
83.77%
FILE 167 - The Sultan's Successors 13395
48.42%
5585
89.35%
FILE 168 - Theseus and the Minotaur 7074
31.01%
1312
66.84%
FILE 169 - Xenosemantics 2034
19.67%
299
65.89%
FILE 170 - Clock Patience 5275
41.76%
2048
89.70%
FILE 171 - Car Trialling 3367
13.01%
515
69.51%
FILE 172 - Calculator Language 2382
25.73%
677
70.61%
FILE 173 - Network Wars 2880
15.49%
594
41.25%
FILE 174 - Strategy 1217
36.81%
483
78.47%
FILE 175 - Keywords 1950
12.92%
495
41.82%
FILE 176 - City Navigation 866
32.22%
280
82.86%
FILE 177 - Paper Folding 2497
35.32%
909
65.68%
FILE 178 - Shuffling Patience 1139
37.75%
417
77.70%
FILE 179 - Code Breaking 2208
25.63%
600
73.67%
FILE 180 - Eeny Meeny 2509
22.08%
633
41.07%
FILE 181 - Hearts 1095
47.40%
520
84.42%
FILE 182 - Bonus Bonds 868
42.17%
411
80.54%
FILE 183 - Bit Maps 3948
23.66%
1069
70.81%
FILE 184 - Laser Lines 4104
43.52%
1160
84.05%
FILE 185 - Roman Numerals 1535
45.34%
664
82.83%
FILE 186 - Trip Routing 3794
28.84%
1317
67.05%
FILE 187 - Transaction Processing 2956
33.93%
1144
75.44%
FILE 188 - Perfect Hash 3592
46.71%
1332
87.69%
FILE 189 - Pascal Program Lengths 984
21.44%
286
60.49%
FILE 190 - Circle Through Three Points 13872
32.54%
4850
76.66%
FILE 191 - Intersection 19690
21.54%
4410
67.26%
FILE 192 - Synchronous Design 1071
30.25%
383
71.54%
FILE 193 - Graph Coloring 14037
24.37%
3335
63.51%
FILE 194 - Triangle 2332
13.12%
465
46.02%
FILE 195 - Anagram 34038
23.33%
7713
65.12%
FILE 196 - Spreadsheet 8557
20.07%
1410
70.57%
FILE 197 - Cube 1326
16.52%
321
36.76%
FILE 198 - Peter's Calculator 2732
18.81%
548
64.60%
FILE 199 - Partial differential equations 927
19.96%
341
41.94%
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