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Browse Problems
Title | Total Submissions / Solving % | Total Users / Solving % | ||||
100 - The 3n + 1 problem | 933659 |
26.64%
|
143925 |
73.85%
|
||
101 - The Blocks Problem | 124869 |
25.81%
|
25149 |
70.25%
|
||
102 - Ecological Bin Packing | 110899 |
39.40%
|
32365 |
87.25%
|
||
103 - Stacking Boxes | 46103 |
26.69%
|
12340 |
61.24%
|
||
104 - Arbitrage | 33704 |
25.22%
|
7160 |
67.99%
|
||
105 - The Skyline Problem | 65232 |
26.05%
|
15673 |
69.21%
|
||
106 - Fermat vs. Pythagoras | 29955 |
34.26%
|
7090 |
67.32%
|
||
107 - The Cat in the Hat | 53220 |
21.71%
|
9214 |
68.27%
|
||
108 - Maximum Sum | 74483 |
44.58%
|
23993 |
83.58%
|
||
109 - SCUD Busters | 14186 |
32.34%
|
3769 |
68.32%
|
||
110 - Meta-Loopless Sorts | 13180 |
32.22%
|
3636 |
66.17%
|
||
111 - History Grading | 35992 |
45.59%
|
13631 |
77.88%
|
||
112 - Tree Summing | 39570 |
28.30%
|
8162 |
78.17%
|
||
113 - Power of Cryptography | 78608 |
40.98%
|
24971 |
89.12%
|
||
114 - Simulation Wizardry | 8985 |
32.61%
|
2615 |
75.33%
|
||
115 - Climbing Trees | 7706 |
35.22%
|
2317 |
81.40%
|
||
116 - Unidirectional TSP | 70584 |
25.40%
|
12753 |
72.70%
|
||
117 - The Postal Worker Rings Once | 10123 |
49.69%
|
3993 |
89.36%
|
||
118 - Mutant Flatworld Explorers | 28975 |
41.88%
|
10185 |
86.84%
|
||
119 - Greedy Gift Givers | 45196 |
28.94%
|
13229 |
74.84%
|
||
120 - Stacks of Flapjacks | 47584 |
41.22%
|
12910 |
87.27%
|
||
121 - Pipe Fitters | 8449 |
43.16%
|
3434 |
87.30%
|
||
122 - Trees on the level | 42475 |
29.54%
|
7597 |
74.61%
|
||
123 - Searching Quickly | 14766 |
35.66%
|
4963 |
75.50%
|
||
124 - Following Orders | 15200 |
39.11%
|
5132 |
78.84%
|
||
125 - Numbering Paths | 11280 |
29.77%
|
3239 |
74.81%
|
||
126 - The Errant Physicist | 4536 |
31.75%
|
1620 |
75.86%
|
||
127 - "Accordian" Patience | 19324 |
40.15%
|
4866 |
81.63%
|
||
128 - Software CRC | 20161 |
42.89%
|
4509 |
88.00%
|
||
129 - Krypton Factor | 16110 |
39.80%
|
3173 |
84.31%
|
||
130 - Roman Roulette | 9820 |
42.23%
|
4000 |
81.47%
|
||
131 - The Psychic Poker Player | 4352 |
50.00%
|
1879 |
88.45%
|
||
132 - Bumpy Objects | 4442 |
42.17%
|
1242 |
82.21%
|
||
133 - The Dole Queue | 28883 |
49.53%
|
8116 |
88.96%
|
||
134 - Loglan-A Logical Language | 3761 |
29.57%
|
1125 |
80.27%
|
||
135 - No Rectangles | 3367 |
27.92%
|
1264 |
53.24%
|
||
136 - Ugly Numbers | 126041 |
32.89%
|
30671 |
79.49%
|
||
137 - Polygons | 4939 |
21.60%
|
1136 |
62.15%
|
||
138 - Street Numbers | 22007 |
45.56%
|
8965 |
84.76%
|
||
139 - Telephone Tangles | 10337 |
16.16%
|
1731 |
48.99%
|
||
140 - Bandwidth | 16892 |
43.06%
|
3820 |
87.72%
|
||
141 - The Spot Game | 8904 |
44.62%
|
2717 |
89.92%
|
||
142 - Mouse Clicks | 7021 |
22.28%
|
2445 |
46.01%
|
||
143 - Orchard Trees | 20688 |
12.59%
|
2672 |
44.76%
|
||
144 - Student Grants | 7741 |
46.60%
|
3142 |
85.39%
|
||
145 - Gondwanaland Telecom | 10656 |
25.62%
|
2901 |
74.80%
|
||
146 - ID Codes | 35860 |
57.69%
|
16388 |
93.55%
|
||
147 - Dollars | 65519 |
28.81%
|
12984 |
75.28%
|
||
148 - Anagram checker | 5558 |
35.48%
|
1600 |
76.38%
|
||
149 - Forests | 1318 |
45.90%
|
462 |
75.97%
|
||
150 - Double Time | 2693 |
32.68%
|
872 |
66.51%
|
||
151 - Power Crisis | 27548 |
60.61%
|
12158 |
93.19%
|
||
152 - Tree's a Crowd | 12636 |
39.10%
|
3654 |
87.14%
|
||
153 - Permalex | 7985 |
29.52%
|
2650 |
70.75%
|
||
154 - Recycling | 7357 |
53.19%
|
3686 |
89.26%
|
||
155 - All Squares | 7498 |
50.41%
|
3418 |
86.22%
|
||
156 - Ananagrams | 35752 |
66.13%
|
11913 |
94.54%
|
||
157 - Route Finding | 2148 |
32.77%
|
713 |
80.22%
|
||
158 - Calendar | 3429 |
16.13%
|
784 |
57.27%
|
||
159 - Word Crosses | 5647 |
24.47%
|
1824 |
60.80%
|
||
160 - Factors and Factorials | 46742 |
31.80%
|
12944 |
83.04%
|
||
161 - Traffic Lights | 10690 |
38.71%
|
3587 |
89.10%
|
||
162 - Beggar My Neighbour | 6438 |
33.55%
|
1927 |
81.21%
|
||
163 - City Directions | 1874 |
14.73%
|
356 |
57.87%
|
||
164 - String Computer | 14022 |
31.47%
|
3076 |
75.39%
|
||
165 - Stamps | 4493 |
41.18%
|
1506 |
80.74%
|
||
166 - Making Change | 12036 |
39.21%
|
3219 |
86.08%
|
||
167 - The Sultan's Successors | 29230 |
46.74%
|
8766 |
90.50%
|
||
168 - Theseus and the Minotaur | 9632 |
33.78%
|
2100 |
73.67%
|
||
169 - Xenosemantics | 2120 |
19.95%
|
334 |
64.37%
|
||
170 - Clock Patience | 7354 |
45.47%
|
2748 |
90.25%
|
||
171 - Car Trialling | 3483 |
14.21%
|
570 |
70.00%
|
||
172 - Calculator Language | 2701 |
25.81%
|
781 |
69.65%
|
||
173 - Network Wars | 3091 |
16.98%
|
646 |
45.05%
|
||
174 - Strategy | 1317 |
39.26%
|
552 |
79.71%
|
||
175 - Keywords | 2362 |
17.57%
|
574 |
47.56%
|
||
176 - City Navigation | 979 |
31.97%
|
307 |
80.78%
|
||
177 - Paper Folding | 3970 |
40.20%
|
1217 |
72.64%
|
||
178 - Shuffling Patience | 1193 |
38.89%
|
444 |
77.48%
|
||
179 - Code Breaking | 2392 |
25.29%
|
642 |
72.90%
|
||
180 - Eeny Meeny | 2667 |
22.61%
|
695 |
43.45%
|
||
181 - Hearts | 1257 |
48.85%
|
621 |
83.90%
|
||
182 - Bonus Bonds | 913 |
42.72%
|
444 |
79.05%
|
||
183 - Bit Maps | 7439 |
26.71%
|
1991 |
76.29%
|
||
184 - Laser Lines | 4951 |
44.42%
|
1395 |
85.30%
|
||
185 - Roman Numerals | 3163 |
41.04%
|
1029 |
82.80%
|
||
186 - Trip Routing | 4794 |
31.48%
|
1584 |
70.33%
|
||
187 - Transaction Processing | 3808 |
37.61%
|
1407 |
79.39%
|
||
188 - Perfect Hash | 5435 |
48.89%
|
1861 |
88.39%
|
||
189 - Pascal Program Lengths | 1118 |
22.81%
|
321 |
62.31%
|
||
190 - Circle Through Three Points | 18709 |
35.31%
|
5752 |
78.51%
|
||
191 - Intersection | 30778 |
22.94%
|
6183 |
69.38%
|
||
192 - Synchronous Design | 1194 |
30.15%
|
430 |
69.30%
|
||
193 - Graph Coloring | 24240 |
28.45%
|
5820 |
70.82%
|
||
194 - Triangle | 2764 |
17.11%
|
559 |
48.48%
|
||
195 - Anagram | 45501 |
25.96%
|
10809 |
69.65%
|
||
196 - Spreadsheet | 13433 |
25.58%
|
2304 |
76.09%
|
||
197 - Cube | 1571 |
19.80%
|
384 |
46.09%
|
||
198 - Peter's Calculator | 2987 |
19.69%
|
647 |
63.83%
|
||
199 - Partial differential equations | 1033 |
22.27%
|
402 |
44.78%
|
<< Start < Prev 1 Next > End >> | ||
Display # | Results 1 - 100 of 100 |