Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | |||
|
|
100 - The 3n + 1 problem | 536668 |
27.37%
|
76432 |
72.62%
|
|
|
101 - The Blocks Problem | 73133 |
19.41%
|
15295 |
63.69%
|
|
|
102 - Ecological Bin Packing | 75542 |
38.09%
|
21314 |
86.15%
|
|
|
103 - Stacking Boxes | 33948 |
22.66%
|
8744 |
60.25%
|
|
|
104 - Arbitrage | 25232 |
21.60%
|
5039 |
64.08%
|
|
|
105 - The Skyline Problem | 44576 |
22.25%
|
11034 |
61.97%
|
|
|
106 - Fermat vs. Pythagoras | 24865 |
31.76%
|
5499 |
62.90%
|
|
|
107 - The Cat in the Hat | 41768 |
19.00%
|
7110 |
64.32%
|
|
|
108 - Maximum Sum | 42302 |
39.39%
|
13411 |
79.18%
|
|
|
109 - SCUD Busters | 10518 |
26.97%
|
2628 |
62.48%
|
|
|
110 - Meta-Loopless Sorts | 9645 |
26.60%
|
2685 |
58.14%
|
|
|
111 - History Grading | 20240 |
39.95%
|
8383 |
71.62%
|
|
|
112 - Tree Summing | 28794 |
25.60%
|
5925 |
76.05%
|
|
|
113 - Power of Cryptography | 43089 |
38.01%
|
14276 |
87.03%
|
|
|
114 - Simulation Wizardry | 7107 |
30.32%
|
2026 |
73.20%
|
|
|
115 - Climbing Trees | 6065 |
31.51%
|
1769 |
79.37%
|
|
|
116 - Unidirectional TSP | 37771 |
19.14%
|
7237 |
62.71%
|
|
|
117 - The Postal Worker Rings Once | 6895 |
48.17%
|
3019 |
89.53%
|
|
|
118 - Mutant Flatworld Explorers | 14018 |
37.29%
|
5285 |
84.33%
|
|
|
119 - Greedy Gift Givers | 23323 |
23.87%
|
7265 |
64.94%
|
|
|
120 - Stacks of Flapjacks | 23336 |
40.44%
|
7517 |
86.19%
|
|
|
121 - Pipe Fitters | 6697 |
40.79%
|
2694 |
86.60%
|
|
|
122 - Trees on the level | 18528 |
21.08%
|
3983 |
66.91%
|
|
|
123 - Searching Quickly | 9784 |
31.78%
|
3179 |
72.04%
|
|
|
124 - Following Orders | 7825 |
32.79%
|
2981 |
69.98%
|
|
|
125 - Numbering Paths | 8215 |
25.03%
|
2258 |
68.69%
|
|
|
126 - The Errant Physicist | 4033 |
29.70%
|
1385 |
73.86%
|
|
|
127 - "Accordian" Patience | 9326 |
33.37%
|
2455 |
74.70%
|
|
|
128 - Software CRC | 17448 |
41.49%
|
3553 |
88.09%
|
|
|
129 - Krypton Factor | 3532 |
35.90%
|
1406 |
76.32%
|
|
|
130 - Roman Roulette | 7668 |
41.69%
|
3204 |
82.46%
|
|
|
131 - The Psychic Poker Player | 2953 |
49.27%
|
1356 |
88.86%
|
|
|
132 - Bumpy Objects | 3327 |
37.96%
|
905 |
80.88%
|
|
|
133 - The Dole Queue | 9450 |
43.83%
|
4069 |
85.03%
|
|
|
134 - Loglan-A Logical Language | 3304 |
27.00%
|
929 |
79.22%
|
|
|
135 - No Rectangles | 2757 |
24.19%
|
970 |
47.84%
|
|
|
136 - Ugly Numbers | 58404 |
29.45%
|
17265 |
75.59%
|
|
|
137 - Polygons | 4030 |
18.46%
|
889 |
57.71%
|
|
|
138 - Street Numbers | 16441 |
42.22%
|
6925 |
82.51%
|
|
|
139 - Telephone Tangles | 8671 |
13.60%
|
1306 |
43.26%
|
|
|
140 - Bandwidth | 5798 |
44.53%
|
2046 |
88.76%
|
|
|
141 - The Spot Game | 4641 |
42.64%
|
1694 |
89.14%
|
|
|
142 - Mouse Clicks | 6199 |
20.23%
|
2160 |
40.46%
|
|
|
143 - Orchard Trees | 15463 |
10.11%
|
2022 |
35.81%
|
|
|
144 - Student Grants | 5081 |
43.75%
|
2373 |
83.31%
|
|
|
145 - Gondwanaland Telecom | 8367 |
22.74%
|
2237 |
71.17%
|
|
|
146 - ID Codes | 16845 |
51.71%
|
7573 |
91.72%
|
|
|
147 - Dollars | 33892 |
22.40%
|
7300 |
64.66%
|
|
|
148 - Anagram checker | 4186 |
33.99%
|
1119 |
75.34%
|
|
|
149 - Forests | 1079 |
42.08%
|
332 |
74.10%
|
|
|
150 - Double Time | 2179 |
28.91%
|
677 |
62.04%
|
|
|
151 - Power Crisis | 15980 |
58.38%
|
8195 |
92.37%
|
|
|
152 - Tree's a Crowd | 6678 |
37.36%
|
2128 |
83.55%
|
|
|
153 - Permalex | 6349 |
28.85%
|
2163 |
69.44%
|
|
|
154 - Recycling | 4989 |
52.05%
|
2486 |
89.10%
|
|
|
155 - All Squares | 6426 |
48.63%
|
2883 |
85.02%
|
|
|
156 - Ananagrams | 10723 |
51.31%
|
4683 |
91.18%
|
|
|
157 - Route Finding | 1938 |
29.77%
|
582 |
79.04%
|
|
|
158 - Calendar | 2644 |
14.79%
|
580 |
55.86%
|
|
|
159 - Word Crosses | 4500 |
23.07%
|
1540 |
57.14%
|
|
|
160 - Factors and Factorials | 31032 |
30.37%
|
9428 |
79.99%
|
|
|
161 - Traffic Lights | 6031 |
35.45%
|
1936 |
85.18%
|
|
|
162 - Beggar My Neighbour | 2956 |
32.14%
|
925 |
76.86%
|
|
|
163 - City Directions | 1572 |
14.12%
|
269 |
66.17%
|
|
|
164 - String Computer | 10448 |
29.00%
|
2172 |
72.19%
|
|
|
165 - Stamps | 2879 |
36.33%
|
973 |
78.01%
|
|
|
166 - Making Change | 6999 |
35.35%
|
1958 |
83.55%
|
|
|
167 - The Sultan's Successors | 11075 |
47.90%
|
4851 |
88.31%
|
|
|
168 - Theseus and the Minotaur | 6517 |
30.63%
|
1152 |
64.58%
|
|
|
169 - Xenosemantics | 1987 |
19.78%
|
292 |
65.75%
|
|
|
170 - Clock Patience | 4869 |
40.93%
|
1908 |
89.31%
|
|
|
171 - Car Trialling | 3342 |
12.78%
|
505 |
68.91%
|
|
|
172 - Calculator Language | 2341 |
25.46%
|
655 |
70.53%
|
|
|
173 - Network Wars | 2720 |
15.07%
|
565 |
38.94%
|
|
|
174 - Strategy | 1182 |
37.06%
|
473 |
78.44%
|
|
|
175 - Keywords | 1895 |
12.56%
|
482 |
41.08%
|
|
|
176 - City Navigation | 826 |
33.54%
|
276 |
83.33%
|
|
|
177 - Paper Folding | 2368 |
35.26%
|
884 |
64.82%
|
|
|
178 - Shuffling Patience | 1124 |
37.72%
|
411 |
77.62%
|
|
|
179 - Code Breaking | 2120 |
26.13%
|
586 |
73.72%
|
|
|
180 - Eeny Meeny | 2398 |
21.81%
|
603 |
39.80%
|
|
|
181 - Hearts | 1051 |
47.67%
|
501 |
85.03%
|
|
|
182 - Bonus Bonds | 852 |
42.02%
|
403 |
80.40%
|
|
|
183 - Bit Maps | 3557 |
23.39%
|
970 |
69.59%
|
|
|
184 - Laser Lines | 3484 |
41.85%
|
1084 |
83.86%
|
|
|
185 - Roman Numerals | 1284 |
46.03%
|
589 |
80.98%
|
|
|
186 - Trip Routing | 3478 |
27.86%
|
1225 |
65.63%
|
|
|
187 - Transaction Processing | 2653 |
34.26%
|
1063 |
74.32%
|
|
|
188 - Perfect Hash | 2849 |
43.31%
|
1148 |
86.59%
|
|
|
189 - Pascal Program Lengths | 973 |
21.48%
|
281 |
60.85%
|
|
|
190 - Circle Through Three Points | 12948 |
32.29%
|
4621 |
76.13%
|
|
|
191 - Intersection | 17703 |
20.51%
|
4046 |
66.19%
|
|
|
192 - Synchronous Design | 1051 |
30.35%
|
375 |
71.73%
|
|
|
193 - Graph Coloring | 12162 |
23.61%
|
2897 |
60.61%
|
|
|
194 - Triangle | 2239 |
12.82%
|
451 |
45.23%
|
|
|
195 - Anagram | 30350 |
23.05%
|
6849 |
63.88%
|
|
|
196 - Spreadsheet | 6576 |
19.11%
|
1136 |
67.87%
|
|
|
197 - Cube | 1220 |
13.52%
|
293 |
31.40%
|
|
|
198 - Peter's Calculator | 2670 |
18.84%
|
528 |
64.96%
|
|
|
199 - Partial differential equations | 908 |
19.82%
|
328 |
42.07%
|
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| Display # | Results 1 - 100 of 100 | |
Browse Problems 



