list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 29.10
205 Icerink   6 11.59
206 Bitmap   118 5643 25.79
15
17
207 Three-coloring of binary trees   8 673 35.41
17
14
208 Store-keeper   2 86 14.72
34
34
209 The Map   213 43.06
210 The Altars   42 14.29
211 Primitivus recurencis   187 26.64
212 Water among Cubes   20 782 27.58
26
31
215 Panic in the Plazas   77 19.35
217 Soldiers on Parade   116 27.72
220 Relevant Phrases of Annihilation   469 34.27
224 Vonny and her dominos   2 439 52.42
1
1
226 Jewelry and Fashion   1 17 15.28
34
50
227 Ordering the Soldiers   10 1149 33.67
17
17
228 Shamans   125 20.55
229 Sorting is easy   114 25.64
231 The Zebra Crossing   1 0.29
234 Getting Rid of the Holidays (Act I)   95 14.45
235 Very Fast Multiplication   7 562 28.46
30
17
236 Converting number formats   141 43.42
237 Sums in a Triangle   2 3158 41.24
21
7
238 Getting Rid of the Holidays (Act II)   78 15.80
239 Tour de Byteland   1 79 24.91
17
17
241 Arranging the Blocks   50 12.66
243 Stable Marriage Problem   6 1090 45.82
20
20
245 Square Root   4 437 16.23
34
13
247 Chocolate   38 2797 47.93
7
16
260 Containers   1 252 44.93
26
17
261 Triangle Partitioning   188 59.34
262 Connections   1 93 27.04
34
34
263 Period   24 1591 44.69
11
19
264 Corporative Network   8 429 26.85
22
20
272 Cave Exploration   36 16.48
274 Johnny and the Watermelon Plantation   207 24.40
275 The Water Ringroad   2 12.12
277 City Game   6 1006 39.13
15
22
278 Bicycle   53 14.43
279 Interesting number   12 567 22.21
17
24
280 Lifts   41 18.64
283 Naptime   128 35.73
286 Selfish Cities   2 588 40.02
34
38
287 Smart Network Administrator   3 350 25.32
24
30
288 Prime or Not   25 2496 18.73
21
21
290 Polynomial Equations   50 20.82
291 Cube Root   207 16.52
23
12
292 Alibaba   143 22.12
293 Officers on the Beat   8 7.81
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   364 8605 40.31
16
22

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