list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 27.89
205 Icerink   6 11.27
206 Bitmap   226 7693 27.64
15
16
207 Three-coloring of binary trees   15 822 35.94
18
16
208 Store-keeper   2 98 15.67
34
34
209 The Map   218 43.04
210 The Altars   42 14.29
211 Primitivus recurencis   207 26.85
212 Water among Cubes   43 1135 28.41
24
28
215 Panic in the Plazas   77 19.50
217 Soldiers on Parade   2 120 28.57
26
17
220 Relevant Phrases of Annihilation   525 33.45
224 Vonny and her dominos   4 589 53.01
9
9
226 Jewelry and Fashion   1 17 14.70
34
50
227 Ordering the Soldiers   21 1339 34.56
19
22
228 Shamans   135 20.57
229 Sorting is easy   115 24.39
231 The Zebra Crossing   10 2.52
234 Getting Rid of the Holidays (Act I)   94 13.94
235 Very Fast Multiplication   22 971 31.59
26
22
236 Converting number formats   143 43.38
237 Sums in a Triangle   -14 3452 42.42
27
10
238 Getting Rid of the Holidays (Act II)   77 15.58
239 Tour de Byteland   1 79 24.86
17
17
241 Arranging the Blocks   52 12.95
243 Stable Marriage Problem   10 1210 45.29
17
22
245 Square Root   4 472 15.21
34
13
247 Chocolate   63 3493 48.48
10
18
260 Containers   2 272 45.90
23
17
261 Triangle Partitioning   198 59.44
262 Connections   1 98 27.55
34
34
263 Period   46 2202 44.94
11
17
264 Corporative Network   13 503 27.09
19
21
272 Cave Exploration   1 36 16.48
274 Johnny and the Watermelon Plantation   209 24.25
275 The Water Ringroad   2 12.12
277 City Game   13 1093 40.38
19
21
278 Bicycle   53 14.29
279 Interesting number   24 746 24.54
18
25
280 Lifts   42 18.87
283 Naptime   185 38.41
286 Selfish Cities   1 665 40.92
34
34
287 Smart Network Administrator   3 410 27.09
24
31
288 Prime or Not   56 3502 18.94
22
21
290 Polynomial Equations   56 21.51
291 Cube Root   2 236 16.50
27
17
292 Alibaba   1 155 22.85
293 Officers on the Beat   10 20.48
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   869 20681 37.93
16
22

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