list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 27.89
205 Icerink   6 11.27
206 Bitmap   230 7803 26.83
15
16
207 Three-coloring of binary trees   15 822 35.60
18
16
208 Store-keeper   2 98 15.67
34
34
209 The Map   218 42.99
210 The Altars   42 14.29
211 Primitivus recurencis   207 26.85
212 Water among Cubes   44 1150 26.26
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   516 21.53
224 Vonny and her dominos   4 594 51.87
9
9
226 Jewelry and Fashion   1 17 14.60
34
50
227 Ordering the Soldiers   21 1343 32.97
19
22
228 Shamans   135 20.56
229 Sorting is easy   115 24.14
231 The Zebra Crossing   10 2.52
234 Getting Rid of the Holidays (Act I)   94 13.94
235 Very Fast Multiplication   22 982 28.41
26
22
236 Converting number formats   143 43.38
237 Sums in a Triangle   -14 3451 42.02
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 1203 44.58
17
22
245 Square Root   4 476 15.00
34
13
247 Chocolate   65 3625 47.01
10
18
260 Containers   2 273 45.96
23
17
261 Triangle Partitioning   198 59.44
262 Connections   1 98 27.21
34
34
263 Period   48 2240 37.83
11
17
264 Corporative Network   13 494 23.75
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   14 1090 37.56
19
20
278 Bicycle   53 14.29
279 Interesting number   24 742 23.63
18
25
280 Lifts   42 18.87
283 Naptime   187 13.17
286 Selfish Cities   1 662 38.61
34
34
287 Smart Network Administrator   3 410 27.12
24
31
288 Prime or Not   60 3623 18.19
22
21
290 Polynomial Equations   56 21.51
291 Cube Root   2 237 16.49
27
17
292 Alibaba   1 149 22.05
293 Officers on the Beat   10 20.96
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   895 22220 35.22
17
23

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