list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 29.10
205 Icerink   6 11.59
206 Bitmap   140 5991 26.19
15
17
207 Three-coloring of binary trees   10 745 35.39
17
15
208 Store-keeper   2 90 14.82
34
34
209 The Map   213 43.06
210 The Altars   42 14.29
211 Primitivus recurencis   190 26.64
212 Water among Cubes   23 843 27.70
26
31
215 Panic in the Plazas   77 19.35
217 Soldiers on Parade   116 28.42
220 Relevant Phrases of Annihilation   478 34.27
224 Vonny and her dominos   2 476 52.11
1
1
226 Jewelry and Fashion   1 17 15.13
34
50
227 Ordering the Soldiers   12 1183 33.65
17
21
228 Shamans   127 20.63
229 Sorting is easy   114 25.50
231 The Zebra Crossing   1 0.29
234 Getting Rid of the Holidays (Act I)   94 14.09
235 Very Fast Multiplication   11 648 29.19
30
22
236 Converting number formats   141 43.42
237 Sums in a Triangle   1 3247 41.59
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 1119 45.86
20
22
245 Square Root   4 444 16.05
34
13
247 Chocolate   45 2953 48.09
9
17
260 Containers   2 259 45.64
23
17
261 Triangle Partitioning   191 59.23
262 Connections   1 94 27.17
34
34
263 Period   28 1730 43.82
11
19
264 Corporative Network   9 446 26.50
19
21
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 1026 39.33
19
21
278 Bicycle   53 14.43
279 Interesting number   13 591 22.56
22
26
280 Lifts   41 18.64
283 Naptime   131 36.07
286 Selfish Cities   1 617 40.34
34
34
287 Smart Network Administrator   2 369 25.77
28
34
288 Prime or Not   28 2591 18.79
22
22
290 Polynomial Equations   50 20.82
291 Cube Root   212 16.51
23
12
292 Alibaba   148 22.51
293 Officers on the Beat   8 7.81
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   424 9987 39.57
16
22

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