list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 29.10
205 Icerink   6 11.59
206 Bitmap   130 5886 26.05
15
17
207 Three-coloring of binary trees   9 740 35.30
17
15
208 Store-keeper   2 86 14.52
34
34
209 The Map   213 43.06
210 The Altars   42 14.29
211 Primitivus recurencis   190 26.64
212 Water among Cubes   22 835 27.76
26
31
215 Panic in the Plazas   77 19.35
217 Soldiers on Parade   116 28.42
220 Relevant Phrases of Annihilation   477 34.19
224 Vonny and her dominos   2 472 51.93
1
1
226 Jewelry and Fashion   1 17 15.13
34
50
227 Ordering the Soldiers   10 1170 33.58
17
17
228 Shamans   127 20.63
229 Sorting is easy   114 25.55
231 The Zebra Crossing   1 0.29
234 Getting Rid of the Holidays (Act I)   94 14.09
235 Very Fast Multiplication   8 622 28.89
30
20
236 Converting number formats   141 43.42
237 Sums in a Triangle   2 3231 41.51
22
8
238 Getting Rid of the Holidays (Act II)   77 15.58
239 Tour de Byteland   1 79 24.91
17
17
241 Arranging the Blocks   50 12.66
243 Stable Marriage Problem   7 1105 46.07
20
22
245 Square Root   4 442 16.05
34
13
247 Chocolate   42 2910 48.03
8
17
260 Containers   2 258 46.03
23
17
261 Triangle Partitioning   190 59.15
262 Connections   1 94 27.17
34
34
263 Period   28 1707 43.74
11
19
264 Corporative Network   8 434 26.84
22
20
272 Cave Exploration   1 36 16.48
274 Johnny and the Watermelon Plantation   207 24.40
275 The Water Ringroad   2 12.12
277 City Game   8 1024 39.30
19
21
278 Bicycle   53 14.43
279 Interesting number   13 585 22.49
22
26
280 Lifts   41 18.64
283 Naptime   128 35.73
286 Selfish Cities   1 613 40.23
34
34
287 Smart Network Administrator   2 366 25.71
28
34
288 Prime or Not   27 2579 18.81
22
22
290 Polynomial Equations   50 20.82
291 Cube Root   211 16.50
23
12
292 Alibaba   146 22.34
293 Officers on the Beat   8 7.81
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   408 9660 39.79
16
22

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