list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
204 Sleepwalker   82 28.23
205 Icerink   6 11.27
206 Bitmap   198 6993 27.15
14
16
207 Three-coloring of binary trees   14 801 35.76
17
15
208 Store-keeper   2 98 15.80
34
34
209 The Map   215 43.04
210 The Altars   42 14.29
211 Primitivus recurencis   200 26.54
212 Water among Cubes   38 1011 28.18
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   512 34.31
224 Vonny and her dominos   4 563 52.65
9
9
226 Jewelry and Fashion   1 17 15.03
34
50
227 Ordering the Soldiers   18 1299 34.31
19
22
228 Shamans   133 20.53
229 Sorting is easy   114 24.87
231 The Zebra Crossing   10 2.54
234 Getting Rid of the Holidays (Act I)   94 13.95
235 Very Fast Multiplication   18 906 31.61
27
22
236 Converting number formats   143 43.38
237 Sums in a Triangle   -10 3414 42.29
26
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   50 12.64
243 Stable Marriage Problem   10 1182 45.25
17
22
245 Square Root   4 462 15.64
34
13
247 Chocolate   60 3276 48.28
10
17
260 Containers   2 269 45.69
23
17
261 Triangle Partitioning   195 59.56
262 Connections   1 96 27.29
34
34
263 Period   41 2017 44.42
11
18
264 Corporative Network   13 484 27.21
19
21
272 Cave Exploration   1 36 16.48
274 Johnny and the Watermelon Plantation   208 24.21
275 The Water Ringroad   2 12.12
277 City Game   11 1076 40.10
19
21
278 Bicycle   53 14.43
279 Interesting number   23 730 24.56
19
25
280 Lifts   42 18.94
283 Naptime   155 37.35
286 Selfish Cities   1 650 40.20
34
34
287 Smart Network Administrator   3 397 26.45
24
31
288 Prime or Not   38 3023 19.09
22
22
290 Polynomial Equations   55 21.35
291 Cube Root   1 228 16.63
26
13
292 Alibaba   153 22.70
293 Officers on the Beat   8 7.75
296 Teamwork is Crucial   66 30.77
297 Aggressive cows   702 15736 37.82
16
22

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