list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 28.23
205 Icerink   6 11.27
206 Bitmap   213 7285 27.29
15
16
207 Three-coloring of binary trees   15 807 35.71
18
16
208 Store-keeper   2 98 15.69
34
34
209 The Map   217 43.14
210 The Altars   42 14.29
211 Primitivus recurencis   207 26.90
212 Water among Cubes   39 1064 28.42
23
27
215 Panic in the Plazas   77 19.50
217 Soldiers on Parade   2 120 28.62
26
17
220 Relevant Phrases of Annihilation   517 33.51
224 Vonny and her dominos   4 579 52.78
9
9
226 Jewelry and Fashion   1 17 14.74
34
50
227 Ordering the Soldiers   20 1320 34.37
19
22
228 Shamans   133 20.53
229 Sorting is easy   114 24.65
231 The Zebra Crossing   10 2.54
234 Getting Rid of the Holidays (Act I)   94 13.94
235 Very Fast Multiplication   20 936 31.41
26
22
236 Converting number formats   143 43.38
237 Sums in a Triangle   -14 3435 42.35
27
10
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   52 12.95
243 Stable Marriage Problem   10 1192 45.26
17
22
245 Square Root   4 466 15.43
34
13
247 Chocolate   61 3353 48.45
10
17
260 Containers   2 269 45.69
23
17
261 Triangle Partitioning   197 59.60
262 Connections   1 96 27.29
34
34
263 Period   43 2104 44.64
11
18
264 Corporative Network   13 494 27.16
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   11 1080 40.19
19
21
278 Bicycle   53 14.29
279 Interesting number   24 732 24.39
18
25
280 Lifts   42 18.94
283 Naptime   162 37.33
286 Selfish Cities   1 656 40.45
34
34
287 Smart Network Administrator   3 400 26.50
24
31
288 Prime or Not   48 3198 19.01
22
21
290 Polynomial Equations   55 21.52
291 Cube Root   1 229 16.56
26
13
292 Alibaba   1 154 22.79
293 Officers on the Beat   8 7.04
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   783 17771 37.83
16
22

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