list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 28.23
205 Icerink   6 11.27
206 Bitmap   220 7504 27.49
15
16
207 Three-coloring of binary trees   15 813 35.79
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   40 1095 28.22
24
27
215 Panic in the Plazas   77 19.50
217 Soldiers on Parade   2 120 28.62
26
17
220 Relevant Phrases of Annihilation   524 33.51
224 Vonny and her dominos   4 582 52.94
9
9
226 Jewelry and Fashion   1 17 14.70
34
50
227 Ordering the Soldiers   21 1333 34.43
19
22
228 Shamans   134 20.53
229 Sorting is easy   115 24.61
231 The Zebra Crossing   10 2.52
234 Getting Rid of the Holidays (Act I)   94 13.94
235 Very Fast Multiplication   21 948 31.55
26
22
236 Converting number formats   143 43.38
237 Sums in a Triangle   -14 3445 42.41
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 1201 45.25
17
22
245 Square Root   4 468 15.41
34
13
247 Chocolate   63 3403 48.45
10
18
260 Containers   2 269 45.69
23
17
261 Triangle Partitioning   197 59.60
262 Connections   1 97 27.42
34
34
263 Period   45 2155 44.80
11
17
264 Corporative Network   13 497 27.06
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   12 1084 40.30
19
21
278 Bicycle   53 14.29
279 Interesting number   24 740 24.48
18
25
280 Lifts   42 18.94
283 Naptime   174 37.72
286 Selfish Cities   1 660 40.53
34
34
287 Smart Network Administrator   3 404 26.63
24
31
288 Prime or Not   54 3338 18.91
23
21
290 Polynomial Equations   56 21.51
291 Cube Root   2 232 16.61
27
17
292 Alibaba   1 154 22.79
293 Officers on the Beat   10 16.46
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   841 19354 37.95
16
22

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